Home / 1,264,862.42-1,897,426.55-412,000.58

Finding the Fourth Proportional to 1,264,862.42, 1,897,426.55 and 412,000.58

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Solution

The fourth proportional to 1,264,862.42, 1,897,426.55 and 412,000.58 is: 618,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,862.42 : 1,897,426.55 = 412,000.58 : x
  2. Step 2: Convert to fraction form
    1,264,862.42/1,897,426.55 = 412,000.58/x
  3. Step 3: Cross multiply
    1,264,862.42x = 1,897,426.55 × 412,000.58
  4. Step 4: Simplify right side
    1,264,862.42x = 781,740,839,107.40
  5. Step 5: Solve for x
    x = 781,740,839,107.40/1,264,862.42
  6. Step 6: Final answer
    x = 618,044.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.