Home / 1,003,434.30-1,505,566.98-554,115.15

Finding the Fourth Proportional to 1,003,434.30, 1,505,566.98 and 554,115.15

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Solution

The fourth proportional to 1,003,434.30, 1,505,566.98 and 554,115.15 is: 831,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,434.30 : 1,505,566.98 = 554,115.15 : x
  2. Step 2: Convert to fraction form
    1,003,434.30/1,505,566.98 = 554,115.15/x
  3. Step 3: Cross multiply
    1,003,434.30x = 1,505,566.98 × 554,115.15
  4. Step 4: Simplify right side
    1,003,434.30x = 834,257,472,957.75
  5. Step 5: Solve for x
    x = 834,257,472,957.75/1,003,434.30
  6. Step 6: Final answer
    x = 831,402.19

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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.