Home / 2,287,872-3,157,262.13-1,255,386.57

Finding the Fourth Proportional to 2,287,872, 3,157,262.13 and 1,255,386.57

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Solution

The fourth proportional to 2,287,872, 3,157,262.13 and 1,255,386.57 is: 1,732,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,872 : 3,157,262.13 = 1,255,386.57 : x
  2. Step 2: Convert to fraction form
    2,287,872/3,157,262.13 = 1,255,386.57/x
  3. Step 3: Cross multiply
    2,287,872x = 3,157,262.13 × 1,255,386.57
  4. Step 4: Simplify right side
    2,287,872x = 3,963,584,475,971.59
  5. Step 5: Solve for x
    x = 3,963,584,475,971.59/2,287,872
  6. Step 6: Final answer
    x = 1,732,432.79

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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.