Home / 1,115,656.66-1,672,503.48-442,210.66

Finding the Fourth Proportional to 1,115,656.66, 1,672,503.48 and 442,210.66

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Solution

The fourth proportional to 1,115,656.66, 1,672,503.48 and 442,210.66 is: 662,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,656.66 : 1,672,503.48 = 442,210.66 : x
  2. Step 2: Convert to fraction form
    1,115,656.66/1,672,503.48 = 442,210.66/x
  3. Step 3: Cross multiply
    1,115,656.66x = 1,672,503.48 × 442,210.66
  4. Step 4: Simplify right side
    1,115,656.66x = 739,598,867,743.10
  5. Step 5: Solve for x
    x = 739,598,867,743.10/1,115,656.66
  6. Step 6: Final answer
    x = 662,926.95

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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.