Home / 1,246,178.20-1,867,955.10-487,726.60

Finding the Fourth Proportional to 1,246,178.20, 1,867,955.10 and 487,726.60

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Solution

The fourth proportional to 1,246,178.20, 1,867,955.10 and 487,726.60 is: 731,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,178.20 : 1,867,955.10 = 487,726.60 : x
  2. Step 2: Convert to fraction form
    1,246,178.20/1,867,955.10 = 487,726.60/x
  3. Step 3: Cross multiply
    1,246,178.20x = 1,867,955.10 × 487,726.60
  4. Step 4: Simplify right side
    1,246,178.20x = 911,051,389,875.66
  5. Step 5: Solve for x
    x = 911,051,389,875.66/1,246,178.20
  6. Step 6: Final answer
    x = 731,076.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.