Home / 805,001.20-1,112,035.56-762,485.92

Finding the Fourth Proportional to 805,001.20, 1,112,035.56 and 762,485.92

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Solution

The fourth proportional to 805,001.20, 1,112,035.56 and 762,485.92 is: 1,053,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,001.20 : 1,112,035.56 = 762,485.92 : x
  2. Step 2: Convert to fraction form
    805,001.20/1,112,035.56 = 762,485.92/x
  3. Step 3: Cross multiply
    805,001.20x = 1,112,035.56 × 762,485.92
  4. Step 4: Simplify right side
    805,001.20x = 847,911,457,039.32
  5. Step 5: Solve for x
    x = 847,911,457,039.32/805,001.20
  6. Step 6: Final answer
    x = 1,053,304.59

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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.