Home / 1,215,166.30-1,820,125.05-1,057,702.30

Finding the Fourth Proportional to 1,215,166.30, 1,820,125.05 and 1,057,702.30

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Solution

The fourth proportional to 1,215,166.30, 1,820,125.05 and 1,057,702.30 is: 1,584,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,166.30 : 1,820,125.05 = 1,057,702.30 : x
  2. Step 2: Convert to fraction form
    1,215,166.30/1,820,125.05 = 1,057,702.30/x
  3. Step 3: Cross multiply
    1,215,166.30x = 1,820,125.05 × 1,057,702.30
  4. Step 4: Simplify right side
    1,215,166.30x = 1,925,150,451,672.62
  5. Step 5: Solve for x
    x = 1,925,150,451,672.62/1,215,166.30
  6. Step 6: Final answer
    x = 1,584,269.13

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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.