Home / 1,038,658.91-1,433,345.42-579,769.47

Finding the Fourth Proportional to 1,038,658.91, 1,433,345.42 and 579,769.47

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Solution

The fourth proportional to 1,038,658.91, 1,433,345.42 and 579,769.47 is: 800,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,658.91 : 1,433,345.42 = 579,769.47 : x
  2. Step 2: Convert to fraction form
    1,038,658.91/1,433,345.42 = 579,769.47/x
  3. Step 3: Cross multiply
    1,038,658.91x = 1,433,345.42 × 579,769.47
  4. Step 4: Simplify right side
    1,038,658.91x = 831,009,915,929.75
  5. Step 5: Solve for x
    x = 831,009,915,929.75/1,038,658.91
  6. Step 6: Final answer
    x = 800,079.71

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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.