Home / 1,687,491.46-2,531,500.12-549,989.74

Finding the Fourth Proportional to 1,687,491.46, 2,531,500.12 and 549,989.74

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Solution

The fourth proportional to 1,687,491.46, 2,531,500.12 and 549,989.74 is: 825,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,491.46 : 2,531,500.12 = 549,989.74 : x
  2. Step 2: Convert to fraction form
    1,687,491.46/2,531,500.12 = 549,989.74/x
  3. Step 3: Cross multiply
    1,687,491.46x = 2,531,500.12 × 549,989.74
  4. Step 4: Simplify right side
    1,687,491.46x = 1,392,299,092,808.77
  5. Step 5: Solve for x
    x = 1,392,299,092,808.77/1,687,491.46
  6. Step 6: Final answer
    x = 825,070.30

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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.