Home / 1,782,140.60-2,673,210.90-520,095.80

Finding the Fourth Proportional to 1,782,140.60, 2,673,210.90 and 520,095.80

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Solution

The fourth proportional to 1,782,140.60, 2,673,210.90 and 520,095.80 is: 780,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,140.60 : 2,673,210.90 = 520,095.80 : x
  2. Step 2: Convert to fraction form
    1,782,140.60/2,673,210.90 = 520,095.80/x
  3. Step 3: Cross multiply
    1,782,140.60x = 2,673,210.90 × 520,095.80
  4. Step 4: Simplify right side
    1,782,140.60x = 1,390,325,761,604.22
  5. Step 5: Solve for x
    x = 1,390,325,761,604.22/1,782,140.60
  6. Step 6: Final answer
    x = 780,143.70

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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.