Home / 1,687,726.46-2,531,267.10-505,774.46

Finding the Fourth Proportional to 1,687,726.46, 2,531,267.10 and 505,774.46

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Solution

The fourth proportional to 1,687,726.46, 2,531,267.10 and 505,774.46 is: 758,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,726.46 : 2,531,267.10 = 505,774.46 : x
  2. Step 2: Convert to fraction form
    1,687,726.46/2,531,267.10 = 505,774.46/x
  3. Step 3: Cross multiply
    1,687,726.46x = 2,531,267.10 × 505,774.46
  4. Step 4: Simplify right side
    1,687,726.46x = 1,280,250,237,961.93
  5. Step 5: Solve for x
    x = 1,280,250,237,961.93/1,687,726.46
  6. Step 6: Final answer
    x = 758,565.01

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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.