Home / 1,687,614.08-2,328,913.55-913,244.84

Finding the Fourth Proportional to 1,687,614.08, 2,328,913.55 and 913,244.84

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Solution

The fourth proportional to 1,687,614.08, 2,328,913.55 and 913,244.84 is: 1,260,281.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,614.08 : 2,328,913.55 = 913,244.84 : x
  2. Step 2: Convert to fraction form
    1,687,614.08/2,328,913.55 = 913,244.84/x
  3. Step 3: Cross multiply
    1,687,614.08x = 2,328,913.55 × 913,244.84
  4. Step 4: Simplify right side
    1,687,614.08x = 2,126,868,266,132.79
  5. Step 5: Solve for x
    x = 2,126,868,266,132.79/1,687,614.08
  6. Step 6: Final answer
    x = 1,260,281.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.