Home / 2,287,732.79-3,157,129.35-1,255,240.30

Finding the Fourth Proportional to 2,287,732.79, 3,157,129.35 and 1,255,240.30

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Solution

The fourth proportional to 2,287,732.79, 3,157,129.35 and 1,255,240.30 is: 1,732,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,732.79 : 3,157,129.35 = 1,255,240.30 : x
  2. Step 2: Convert to fraction form
    2,287,732.79/3,157,129.35 = 1,255,240.30/x
  3. Step 3: Cross multiply
    2,287,732.79x = 3,157,129.35 × 1,255,240.30
  4. Step 4: Simplify right side
    2,287,732.79x = 3,962,955,992,432.81
  5. Step 5: Solve for x
    x = 3,962,955,992,432.81/2,287,732.79
  6. Step 6: Final answer
    x = 1,732,263.49

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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.