Home / 1,472,288.90-2,031,746.46-827,711.96

Finding the Fourth Proportional to 1,472,288.90, 2,031,746.46 and 827,711.96

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Solution

The fourth proportional to 1,472,288.90, 2,031,746.46 and 827,711.96 is: 1,142,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,288.90 : 2,031,746.46 = 827,711.96 : x
  2. Step 2: Convert to fraction form
    1,472,288.90/2,031,746.46 = 827,711.96/x
  3. Step 3: Cross multiply
    1,472,288.90x = 2,031,746.46 × 827,711.96
  4. Step 4: Simplify right side
    1,472,288.90x = 1,681,700,844,629.66
  5. Step 5: Solve for x
    x = 1,681,700,844,629.66/1,472,288.90
  6. Step 6: Final answer
    x = 1,142,235.63

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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.