Home / 1,155,010.80-1,732,516.20-313,666.80

Finding the Fourth Proportional to 1,155,010.80, 1,732,516.20 and 313,666.80

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Solution

The fourth proportional to 1,155,010.80, 1,732,516.20 and 313,666.80 is: 470,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,010.80 : 1,732,516.20 = 313,666.80 : x
  2. Step 2: Convert to fraction form
    1,155,010.80/1,732,516.20 = 313,666.80/x
  3. Step 3: Cross multiply
    1,155,010.80x = 1,732,516.20 × 313,666.80
  4. Step 4: Simplify right side
    1,155,010.80x = 543,432,812,402.16
  5. Step 5: Solve for x
    x = 543,432,812,402.16/1,155,010.80
  6. Step 6: Final answer
    x = 470,500.20

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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.