Home / 1,687,231.96-2,531,111.87-549,730.11

Finding the Fourth Proportional to 1,687,231.96, 2,531,111.87 and 549,730.11

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Solution

The fourth proportional to 1,687,231.96, 2,531,111.87 and 549,730.11 is: 824,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,231.96 : 2,531,111.87 = 549,730.11 : x
  2. Step 2: Convert to fraction form
    1,687,231.96/2,531,111.87 = 549,730.11/x
  3. Step 3: Cross multiply
    1,687,231.96x = 2,531,111.87 × 549,730.11
  4. Step 4: Simplify right side
    1,687,231.96x = 1,391,428,406,717.41
  5. Step 5: Solve for x
    x = 1,391,428,406,717.41/1,687,231.96
  6. Step 6: Final answer
    x = 824,681.16

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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.