Home / 1,501,101.10-2,071,520.49-812,773.44

Finding the Fourth Proportional to 1,501,101.10, 2,071,520.49 and 812,773.44

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Solution

The fourth proportional to 1,501,101.10, 2,071,520.49 and 812,773.44 is: 1,121,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,101.10 : 2,071,520.49 = 812,773.44 : x
  2. Step 2: Convert to fraction form
    1,501,101.10/2,071,520.49 = 812,773.44/x
  3. Step 3: Cross multiply
    1,501,101.10x = 2,071,520.49 × 812,773.44
  4. Step 4: Simplify right side
    1,501,101.10x = 1,683,676,834,687.79
  5. Step 5: Solve for x
    x = 1,683,676,834,687.79/1,501,101.10
  6. Step 6: Final answer
    x = 1,121,627.88

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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.