Home / 1,158,618.83-1,598,988.21-642,423.95

Finding the Fourth Proportional to 1,158,618.83, 1,598,988.21 and 642,423.95

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Solution

The fourth proportional to 1,158,618.83, 1,598,988.21 and 642,423.95 is: 886,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,618.83 : 1,598,988.21 = 642,423.95 : x
  2. Step 2: Convert to fraction form
    1,158,618.83/1,598,988.21 = 642,423.95/x
  3. Step 3: Cross multiply
    1,158,618.83x = 1,598,988.21 × 642,423.95
  4. Step 4: Simplify right side
    1,158,618.83x = 1,027,228,321,871.63
  5. Step 5: Solve for x
    x = 1,027,228,321,871.63/1,158,618.83
  6. Step 6: Final answer
    x = 886,597.30

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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.