Home / 1,432,760.64-1,976,990.40-829,032

Finding the Fourth Proportional to 1,432,760.64, 1,976,990.40 and 829,032

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Solution

The fourth proportional to 1,432,760.64, 1,976,990.40 and 829,032 is: 1,143,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,760.64 : 1,976,990.40 = 829,032 : x
  2. Step 2: Convert to fraction form
    1,432,760.64/1,976,990.40 = 829,032/x
  3. Step 3: Cross multiply
    1,432,760.64x = 1,976,990.40 × 829,032
  4. Step 4: Simplify right side
    1,432,760.64x = 1,638,988,305,292.80
  5. Step 5: Solve for x
    x = 1,638,988,305,292.80/1,432,760.64
  6. Step 6: Final answer
    x = 1,143,937.28

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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.