Home / 1,158,937.28-1,599,497.44-642,805.28

Finding the Fourth Proportional to 1,158,937.28, 1,599,497.44 and 642,805.28

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Solution

The fourth proportional to 1,158,937.28, 1,599,497.44 and 642,805.28 is: 887,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,937.28 : 1,599,497.44 = 642,805.28 : x
  2. Step 2: Convert to fraction form
    1,158,937.28/1,599,497.44 = 642,805.28/x
  3. Step 3: Cross multiply
    1,158,937.28x = 1,599,497.44 × 642,805.28
  4. Step 4: Simplify right side
    1,158,937.28x = 1,028,165,399,778.48
  5. Step 5: Solve for x
    x = 1,028,165,399,778.48/1,158,937.28
  6. Step 6: Final answer
    x = 887,162.25

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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.