Home / 1,461,808.80-2,190,380.40-1,223,863.20

Finding the Fourth Proportional to 1,461,808.80, 2,190,380.40 and 1,223,863.20

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Solution

The fourth proportional to 1,461,808.80, 2,190,380.40 and 1,223,863.20 is: 1,833,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,808.80 : 2,190,380.40 = 1,223,863.20 : x
  2. Step 2: Convert to fraction form
    1,461,808.80/2,190,380.40 = 1,223,863.20/x
  3. Step 3: Cross multiply
    1,461,808.80x = 2,190,380.40 × 1,223,863.20
  4. Step 4: Simplify right side
    1,461,808.80x = 2,680,725,965,561.28
  5. Step 5: Solve for x
    x = 2,680,725,965,561.28/1,461,808.80
  6. Step 6: Final answer
    x = 1,833,841.72

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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.