Home / 1,426,980.24-1,969,217.73-782,398.85

Finding the Fourth Proportional to 1,426,980.24, 1,969,217.73 and 782,398.85

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Solution

The fourth proportional to 1,426,980.24, 1,969,217.73 and 782,398.85 is: 1,079,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,980.24 : 1,969,217.73 = 782,398.85 : x
  2. Step 2: Convert to fraction form
    1,426,980.24/1,969,217.73 = 782,398.85/x
  3. Step 3: Cross multiply
    1,426,980.24x = 1,969,217.73 × 782,398.85
  4. Step 4: Simplify right side
    1,426,980.24x = 1,540,713,677,505.52
  5. Step 5: Solve for x
    x = 1,540,713,677,505.52/1,426,980.24
  6. Step 6: Final answer
    x = 1,079,702.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.