Home / 1,215,101.20-1,822,651.80-373,543.60

Finding the Fourth Proportional to 1,215,101.20, 1,822,651.80 and 373,543.60

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Solution

The fourth proportional to 1,215,101.20, 1,822,651.80 and 373,543.60 is: 560,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,101.20 : 1,822,651.80 = 373,543.60 : x
  2. Step 2: Convert to fraction form
    1,215,101.20/1,822,651.80 = 373,543.60/x
  3. Step 3: Cross multiply
    1,215,101.20x = 1,822,651.80 × 373,543.60
  4. Step 4: Simplify right side
    1,215,101.20x = 680,839,914,918.48
  5. Step 5: Solve for x
    x = 680,839,914,918.48/1,215,101.20
  6. Step 6: Final answer
    x = 560,315.40

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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.