Home / 1,226,304.15-1,690,852.21-839,306.31

Finding the Fourth Proportional to 1,226,304.15, 1,690,852.21 and 839,306.31

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Solution

The fourth proportional to 1,226,304.15, 1,690,852.21 and 839,306.31 is: 1,157,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,304.15 : 1,690,852.21 = 839,306.31 : x
  2. Step 2: Convert to fraction form
    1,226,304.15/1,690,852.21 = 839,306.31/x
  3. Step 3: Cross multiply
    1,226,304.15x = 1,690,852.21 × 839,306.31
  4. Step 4: Simplify right side
    1,226,304.15x = 1,419,142,929,130.45
  5. Step 5: Solve for x
    x = 1,419,142,929,130.45/1,226,304.15
  6. Step 6: Final answer
    x = 1,157,252.00

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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.