Home / 1,501,385.76-2,071,902.82-813,046.64

Finding the Fourth Proportional to 1,501,385.76, 2,071,902.82 and 813,046.64

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Solution

The fourth proportional to 1,501,385.76, 2,071,902.82 and 813,046.64 is: 1,121,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,385.76 : 2,071,902.82 = 813,046.64 : x
  2. Step 2: Convert to fraction form
    1,501,385.76/2,071,902.82 = 813,046.64/x
  3. Step 3: Cross multiply
    1,501,385.76x = 2,071,902.82 × 813,046.64
  4. Step 4: Simplify right side
    1,501,385.76x = 1,684,553,626,207.53
  5. Step 5: Solve for x
    x = 1,684,553,626,207.53/1,501,385.76
  6. Step 6: Final answer
    x = 1,121,999.20

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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.