Home / 1,140,965.40-1,711,314.72-299,582.76

Finding the Fourth Proportional to 1,140,965.40, 1,711,314.72 and 299,582.76

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Solution

The fourth proportional to 1,140,965.40, 1,711,314.72 and 299,582.76 is: 449,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,965.40 : 1,711,314.72 = 299,582.76 : x
  2. Step 2: Convert to fraction form
    1,140,965.40/1,711,314.72 = 299,582.76/x
  3. Step 3: Cross multiply
    1,140,965.40x = 1,711,314.72 × 299,582.76
  4. Step 4: Simplify right side
    1,140,965.40x = 512,680,387,046.23
  5. Step 5: Solve for x
    x = 512,680,387,046.23/1,140,965.40
  6. Step 6: Final answer
    x = 449,339.12

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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.