Home / 979,876.12-1,468,435.72-779,306.32

Finding the Fourth Proportional to 979,876.12, 1,468,435.72 and 779,306.32

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Solution

The fourth proportional to 979,876.12, 1,468,435.72 and 779,306.32 is: 1,167,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,876.12 : 1,468,435.72 = 779,306.32 : x
  2. Step 2: Convert to fraction form
    979,876.12/1,468,435.72 = 779,306.32/x
  3. Step 3: Cross multiply
    979,876.12x = 1,468,435.72 × 779,306.32
  4. Step 4: Simplify right side
    979,876.12x = 1,144,361,237,109.75
  5. Step 5: Solve for x
    x = 1,144,361,237,109.75/979,876.12
  6. Step 6: Final answer
    x = 1,167,863.18

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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.