Home / 1,026,715.38-1,540,178.70-387,557.46

Finding the Fourth Proportional to 1,026,715.38, 1,540,178.70 and 387,557.46

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Solution

The fourth proportional to 1,026,715.38, 1,540,178.70 and 387,557.46 is: 581,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,715.38 : 1,540,178.70 = 387,557.46 : x
  2. Step 2: Convert to fraction form
    1,026,715.38/1,540,178.70 = 387,557.46/x
  3. Step 3: Cross multiply
    1,026,715.38x = 1,540,178.70 × 387,557.46
  4. Step 4: Simplify right side
    1,026,715.38x = 596,907,744,918.10
  5. Step 5: Solve for x
    x = 596,907,744,918.10/1,026,715.38
  6. Step 6: Final answer
    x = 581,376.06

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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.