Home / 1,510,930.80-2,264,646.60-611,782.20

Finding the Fourth Proportional to 1,510,930.80, 2,264,646.60 and 611,782.20

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Solution

The fourth proportional to 1,510,930.80, 2,264,646.60 and 611,782.20 is: 916,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,930.80 : 2,264,646.60 = 611,782.20 : x
  2. Step 2: Convert to fraction form
    1,510,930.80/2,264,646.60 = 611,782.20/x
  3. Step 3: Cross multiply
    1,510,930.80x = 2,264,646.60 × 611,782.20
  4. Step 4: Simplify right side
    1,510,930.80x = 1,385,470,479,170.52
  5. Step 5: Solve for x
    x = 1,385,470,479,170.52/1,510,930.80
  6. Step 6: Final answer
    x = 916,964.88

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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.