Home / 1,439,261.55-1,985,348.31-929,963.92

Finding the Fourth Proportional to 1,439,261.55, 1,985,348.31 and 929,963.92

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Solution

The fourth proportional to 1,439,261.55, 1,985,348.31 and 929,963.92 is: 1,282,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,261.55 : 1,985,348.31 = 929,963.92 : x
  2. Step 2: Convert to fraction form
    1,439,261.55/1,985,348.31 = 929,963.92/x
  3. Step 3: Cross multiply
    1,439,261.55x = 1,985,348.31 × 929,963.92
  4. Step 4: Simplify right side
    1,439,261.55x = 1,846,302,304,503.79
  5. Step 5: Solve for x
    x = 1,846,302,304,503.79/1,439,261.55
  6. Step 6: Final answer
    x = 1,282,812.22

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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.