Home / 1,026,542.69-1,540,264.17-487,188.51

Finding the Fourth Proportional to 1,026,542.69, 1,540,264.17 and 487,188.51

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Solution

The fourth proportional to 1,026,542.69, 1,540,264.17 and 487,188.51 is: 730,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,542.69 : 1,540,264.17 = 487,188.51 : x
  2. Step 2: Convert to fraction form
    1,026,542.69/1,540,264.17 = 487,188.51/x
  3. Step 3: Cross multiply
    1,026,542.69x = 1,540,264.17 × 487,188.51
  4. Step 4: Simplify right side
    1,026,542.69x = 750,399,011,764.68
  5. Step 5: Solve for x
    x = 750,399,011,764.68/1,026,542.69
  6. Step 6: Final answer
    x = 730,996.40

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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.