Home / 1,048,087.20-1,572,130.80-488,215.20

Finding the Fourth Proportional to 1,048,087.20, 1,572,130.80 and 488,215.20

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Solution

The fourth proportional to 1,048,087.20, 1,572,130.80 and 488,215.20 is: 732,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,087.20 : 1,572,130.80 = 488,215.20 : x
  2. Step 2: Convert to fraction form
    1,048,087.20/1,572,130.80 = 488,215.20/x
  3. Step 3: Cross multiply
    1,048,087.20x = 1,572,130.80 × 488,215.20
  4. Step 4: Simplify right side
    1,048,087.20x = 767,538,152,948.16
  5. Step 5: Solve for x
    x = 767,538,152,948.16/1,048,087.20
  6. Step 6: Final answer
    x = 732,322.80

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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.