Home / 1,342,787.20-1,853,437.64-877,708.66

Finding the Fourth Proportional to 1,342,787.20, 1,853,437.64 and 877,708.66

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Solution

The fourth proportional to 1,342,787.20, 1,853,437.64 and 877,708.66 is: 1,211,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,787.20 : 1,853,437.64 = 877,708.66 : x
  2. Step 2: Convert to fraction form
    1,342,787.20/1,853,437.64 = 877,708.66/x
  3. Step 3: Cross multiply
    1,342,787.20x = 1,853,437.64 × 877,708.66
  4. Step 4: Simplify right side
    1,342,787.20x = 1,626,778,267,397.96
  5. Step 5: Solve for x
    x = 1,626,778,267,397.96/1,342,787.20
  6. Step 6: Final answer
    x = 1,211,493.73

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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.