Home / 1,029,689.40-1,544,534.10-693,766.20

Finding the Fourth Proportional to 1,029,689.40, 1,544,534.10 and 693,766.20

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Solution

The fourth proportional to 1,029,689.40, 1,544,534.10 and 693,766.20 is: 1,040,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,689.40 : 1,544,534.10 = 693,766.20 : x
  2. Step 2: Convert to fraction form
    1,029,689.40/1,544,534.10 = 693,766.20/x
  3. Step 3: Cross multiply
    1,029,689.40x = 1,544,534.10 × 693,766.20
  4. Step 4: Simplify right side
    1,029,689.40x = 1,071,545,553,327.42
  5. Step 5: Solve for x
    x = 1,071,545,553,327.42/1,029,689.40
  6. Step 6: Final answer
    x = 1,040,649.30

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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.