Home / 1,057,042.08-1,585,805.31-458,103.78

Finding the Fourth Proportional to 1,057,042.08, 1,585,805.31 and 458,103.78

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Solution

The fourth proportional to 1,057,042.08, 1,585,805.31 and 458,103.78 is: 687,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,042.08 : 1,585,805.31 = 458,103.78 : x
  2. Step 2: Convert to fraction form
    1,057,042.08/1,585,805.31 = 458,103.78/x
  3. Step 3: Cross multiply
    1,057,042.08x = 1,585,805.31 × 458,103.78
  4. Step 4: Simplify right side
    1,057,042.08x = 726,463,406,855.07
  5. Step 5: Solve for x
    x = 726,463,406,855.07/1,057,042.08
  6. Step 6: Final answer
    x = 687,260.63

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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.