Home / 1,110,339.30-1,666,286.55-711,948.90

Finding the Fourth Proportional to 1,110,339.30, 1,666,286.55 and 711,948.90

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Solution

The fourth proportional to 1,110,339.30, 1,666,286.55 and 711,948.90 is: 1,068,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,339.30 : 1,666,286.55 = 711,948.90 : x
  2. Step 2: Convert to fraction form
    1,110,339.30/1,666,286.55 = 711,948.90/x
  3. Step 3: Cross multiply
    1,110,339.30x = 1,666,286.55 × 711,948.90
  4. Step 4: Simplify right side
    1,110,339.30x = 1,186,310,876,357.30
  5. Step 5: Solve for x
    x = 1,186,310,876,357.30/1,110,339.30
  6. Step 6: Final answer
    x = 1,068,421.95

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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.