Home / 1,342,789.20-1,853,440.40-877,710.66

Finding the Fourth Proportional to 1,342,789.20, 1,853,440.40 and 877,710.66

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Solution

The fourth proportional to 1,342,789.20, 1,853,440.40 and 877,710.66 is: 1,211,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,789.20 : 1,853,440.40 = 877,710.66 : x
  2. Step 2: Convert to fraction form
    1,342,789.20/1,853,440.40 = 877,710.66/x
  3. Step 3: Cross multiply
    1,342,789.20x = 1,853,440.40 × 877,710.66
  4. Step 4: Simplify right side
    1,342,789.20x = 1,626,784,396,754.66
  5. Step 5: Solve for x
    x = 1,626,784,396,754.66/1,342,789.20
  6. Step 6: Final answer
    x = 1,211,496.49

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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.