Home / 1,678,261.29-2,316,167.82-1,024,851.30

Finding the Fourth Proportional to 1,678,261.29, 2,316,167.82 and 1,024,851.30

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Solution

The fourth proportional to 1,678,261.29, 2,316,167.82 and 1,024,851.30 is: 1,414,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,261.29 : 2,316,167.82 = 1,024,851.30 : x
  2. Step 2: Convert to fraction form
    1,678,261.29/2,316,167.82 = 1,024,851.30/x
  3. Step 3: Cross multiply
    1,678,261.29x = 2,316,167.82 × 1,024,851.30
  4. Step 4: Simplify right side
    1,678,261.29x = 2,373,727,601,345.17
  5. Step 5: Solve for x
    x = 2,373,727,601,345.17/1,678,261.29
  6. Step 6: Final answer
    x = 1,414,396.92

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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.