Home / 1,342,788.20-1,853,439.02-877,709.66

Finding the Fourth Proportional to 1,342,788.20, 1,853,439.02 and 877,709.66

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Solution

The fourth proportional to 1,342,788.20, 1,853,439.02 and 877,709.66 is: 1,211,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,788.20 : 1,853,439.02 = 877,709.66 : x
  2. Step 2: Convert to fraction form
    1,342,788.20/1,853,439.02 = 877,709.66/x
  3. Step 3: Cross multiply
    1,342,788.20x = 1,853,439.02 × 877,709.66
  4. Step 4: Simplify right side
    1,342,788.20x = 1,626,781,332,074.93
  5. Step 5: Solve for x
    x = 1,626,781,332,074.93/1,342,788.20
  6. Step 6: Final answer
    x = 1,211,495.11

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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.