Home / 1,687,231.71-2,531,111.51-549,729.87

Finding the Fourth Proportional to 1,687,231.71, 2,531,111.51 and 549,729.87

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Solution

The fourth proportional to 1,687,231.71, 2,531,111.51 and 549,729.87 is: 824,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,231.71 : 2,531,111.51 = 549,729.87 : x
  2. Step 2: Convert to fraction form
    1,687,231.71/2,531,111.51 = 549,729.87/x
  3. Step 3: Cross multiply
    1,687,231.71x = 2,531,111.51 × 549,729.87
  4. Step 4: Simplify right side
    1,687,231.71x = 1,391,427,598,599.15
  5. Step 5: Solve for x
    x = 1,391,427,598,599.15/1,687,231.71
  6. Step 6: Final answer
    x = 824,680.80

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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.