Home / 1,122,762.60-1,684,143.90-324,070.20

Finding the Fourth Proportional to 1,122,762.60, 1,684,143.90 and 324,070.20

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Solution

The fourth proportional to 1,122,762.60, 1,684,143.90 and 324,070.20 is: 486,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,762.60 : 1,684,143.90 = 324,070.20 : x
  2. Step 2: Convert to fraction form
    1,122,762.60/1,684,143.90 = 324,070.20/x
  3. Step 3: Cross multiply
    1,122,762.60x = 1,684,143.90 × 324,070.20
  4. Step 4: Simplify right side
    1,122,762.60x = 545,780,850,501.78
  5. Step 5: Solve for x
    x = 545,780,850,501.78/1,122,762.60
  6. Step 6: Final answer
    x = 486,105.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.