Home / 1,297,302.28-1,790,387.85-724,453.17

Finding the Fourth Proportional to 1,297,302.28, 1,790,387.85 and 724,453.17

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Solution

The fourth proportional to 1,297,302.28, 1,790,387.85 and 724,453.17 is: 999,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,302.28 : 1,790,387.85 = 724,453.17 : x
  2. Step 2: Convert to fraction form
    1,297,302.28/1,790,387.85 = 724,453.17/x
  3. Step 3: Cross multiply
    1,297,302.28x = 1,790,387.85 × 724,453.17
  4. Step 4: Simplify right side
    1,297,302.28x = 1,297,052,153,461.98
  5. Step 5: Solve for x
    x = 1,297,052,153,461.98/1,297,302.28
  6. Step 6: Final answer
    x = 999,807.19

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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.