Home / 1,531,679.02-2,298,743.25-690,296.38

Finding the Fourth Proportional to 1,531,679.02, 2,298,743.25 and 690,296.38

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Solution

The fourth proportional to 1,531,679.02, 2,298,743.25 and 690,296.38 is: 1,035,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,679.02 : 2,298,743.25 = 690,296.38 : x
  2. Step 2: Convert to fraction form
    1,531,679.02/2,298,743.25 = 690,296.38/x
  3. Step 3: Cross multiply
    1,531,679.02x = 2,298,743.25 × 690,296.38
  4. Step 4: Simplify right side
    1,531,679.02x = 1,586,814,135,688.97
  5. Step 5: Solve for x
    x = 1,586,814,135,688.97/1,531,679.02
  6. Step 6: Final answer
    x = 1,035,996.52

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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.