Home / 1,300,073.09-1,793,728.19-748,686.65

Finding the Fourth Proportional to 1,300,073.09, 1,793,728.19 and 748,686.65

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Solution

The fourth proportional to 1,300,073.09, 1,793,728.19 and 748,686.65 is: 1,032,972.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,073.09 : 1,793,728.19 = 748,686.65 : x
  2. Step 2: Convert to fraction form
    1,300,073.09/1,793,728.19 = 748,686.65/x
  3. Step 3: Cross multiply
    1,300,073.09x = 1,793,728.19 × 748,686.65
  4. Step 4: Simplify right side
    1,300,073.09x = 1,342,940,342,484.74
  5. Step 5: Solve for x
    x = 1,342,940,342,484.74/1,300,073.09
  6. Step 6: Final answer
    x = 1,032,972.96

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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.