Home / 1,342,130.27-1,852,216.40-769,265.87

Finding the Fourth Proportional to 1,342,130.27, 1,852,216.40 and 769,265.87

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Solution

The fourth proportional to 1,342,130.27, 1,852,216.40 and 769,265.87 is: 1,061,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,130.27 : 1,852,216.40 = 769,265.87 : x
  2. Step 2: Convert to fraction form
    1,342,130.27/1,852,216.40 = 769,265.87/x
  3. Step 3: Cross multiply
    1,342,130.27x = 1,852,216.40 × 769,265.87
  4. Step 4: Simplify right side
    1,342,130.27x = 1,424,846,853,036.35
  5. Step 5: Solve for x
    x = 1,424,846,853,036.35/1,342,130.27
  6. Step 6: Final answer
    x = 1,061,630.82

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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.