Home / 1,230,250.80-1,845,376.20-911,386.20

Finding the Fourth Proportional to 1,230,250.80, 1,845,376.20 and 911,386.20

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Solution

The fourth proportional to 1,230,250.80, 1,845,376.20 and 911,386.20 is: 1,367,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,250.80 : 1,845,376.20 = 911,386.20 : x
  2. Step 2: Convert to fraction form
    1,230,250.80/1,845,376.20 = 911,386.20/x
  3. Step 3: Cross multiply
    1,230,250.80x = 1,845,376.20 × 911,386.20
  4. Step 4: Simplify right side
    1,230,250.80x = 1,681,850,402,488.44
  5. Step 5: Solve for x
    x = 1,681,850,402,488.44/1,230,250.80
  6. Step 6: Final answer
    x = 1,367,079.30

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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.