Home / 1,098,276.28-1,514,839.80-1,007,924.08

Finding the Fourth Proportional to 1,098,276.28, 1,514,839.80 and 1,007,924.08

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Solution

The fourth proportional to 1,098,276.28, 1,514,839.80 and 1,007,924.08 is: 1,390,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,276.28 : 1,514,839.80 = 1,007,924.08 : x
  2. Step 2: Convert to fraction form
    1,098,276.28/1,514,839.80 = 1,007,924.08/x
  3. Step 3: Cross multiply
    1,098,276.28x = 1,514,839.80 × 1,007,924.08
  4. Step 4: Simplify right side
    1,098,276.28x = 1,526,843,511,762.38
  5. Step 5: Solve for x
    x = 1,526,843,511,762.38/1,098,276.28
  6. Step 6: Final answer
    x = 1,390,218.05

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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.