Home / 1,044,142.40-1,566,213.60-919,726.40

Finding the Fourth Proportional to 1,044,142.40, 1,566,213.60 and 919,726.40

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Solution

The fourth proportional to 1,044,142.40, 1,566,213.60 and 919,726.40 is: 1,379,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,142.40 : 1,566,213.60 = 919,726.40 : x
  2. Step 2: Convert to fraction form
    1,044,142.40/1,566,213.60 = 919,726.40/x
  3. Step 3: Cross multiply
    1,044,142.40x = 1,566,213.60 × 919,726.40
  4. Step 4: Simplify right side
    1,044,142.40x = 1,440,487,995,959.04
  5. Step 5: Solve for x
    x = 1,440,487,995,959.04/1,044,142.40
  6. Step 6: Final answer
    x = 1,379,589.60

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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.