Home / 1,513,146.06-2,269,796.85-391,224.78

Finding the Fourth Proportional to 1,513,146.06, 2,269,796.85 and 391,224.78

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Solution

The fourth proportional to 1,513,146.06, 2,269,796.85 and 391,224.78 is: 586,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,146.06 : 2,269,796.85 = 391,224.78 : x
  2. Step 2: Convert to fraction form
    1,513,146.06/2,269,796.85 = 391,224.78/x
  3. Step 3: Cross multiply
    1,513,146.06x = 2,269,796.85 × 391,224.78
  4. Step 4: Simplify right side
    1,513,146.06x = 888,000,773,285.94
  5. Step 5: Solve for x
    x = 888,000,773,285.94/1,513,146.06
  6. Step 6: Final answer
    x = 586,857.27

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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.