Home / 1,158,617.83-1,598,986.83-642,422.95

Finding the Fourth Proportional to 1,158,617.83, 1,598,986.83 and 642,422.95

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Solution

The fourth proportional to 1,158,617.83, 1,598,986.83 and 642,422.95 is: 886,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,617.83 : 1,598,986.83 = 642,422.95 : x
  2. Step 2: Convert to fraction form
    1,158,617.83/1,598,986.83 = 642,422.95/x
  3. Step 3: Cross multiply
    1,158,617.83x = 1,598,986.83 × 642,422.95
  4. Step 4: Simplify right side
    1,158,617.83x = 1,027,225,836,339.75
  5. Step 5: Solve for x
    x = 1,027,225,836,339.75/1,158,617.83
  6. Step 6: Final answer
    x = 886,595.92

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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.