Home / 1,092,148.80-1,638,223.20-773,284.20

Finding the Fourth Proportional to 1,092,148.80, 1,638,223.20 and 773,284.20

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Solution

The fourth proportional to 1,092,148.80, 1,638,223.20 and 773,284.20 is: 1,159,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,148.80 : 1,638,223.20 = 773,284.20 : x
  2. Step 2: Convert to fraction form
    1,092,148.80/1,638,223.20 = 773,284.20/x
  3. Step 3: Cross multiply
    1,092,148.80x = 1,638,223.20 × 773,284.20
  4. Step 4: Simplify right side
    1,092,148.80x = 1,266,812,116,633.44
  5. Step 5: Solve for x
    x = 1,266,812,116,633.44/1,092,148.80
  6. Step 6: Final answer
    x = 1,159,926.30

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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.