Home / 1,207,573.38-1,666,317.42-724,158.90

Finding the Fourth Proportional to 1,207,573.38, 1,666,317.42 and 724,158.90

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Solution

The fourth proportional to 1,207,573.38, 1,666,317.42 and 724,158.90 is: 999,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,573.38 : 1,666,317.42 = 724,158.90 : x
  2. Step 2: Convert to fraction form
    1,207,573.38/1,666,317.42 = 724,158.90/x
  3. Step 3: Cross multiply
    1,207,573.38x = 1,666,317.42 × 724,158.90
  4. Step 4: Simplify right side
    1,207,573.38x = 1,206,678,589,918.04
  5. Step 5: Solve for x
    x = 1,206,678,589,918.04/1,207,573.38
  6. Step 6: Final answer
    x = 999,259.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.