Home / 1,020,851.20-1,531,498.24-310,860.64

Finding the Fourth Proportional to 1,020,851.20, 1,531,498.24 and 310,860.64

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Solution

The fourth proportional to 1,020,851.20, 1,531,498.24 and 310,860.64 is: 466,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,851.20 : 1,531,498.24 = 310,860.64 : x
  2. Step 2: Convert to fraction form
    1,020,851.20/1,531,498.24 = 310,860.64/x
  3. Step 3: Cross multiply
    1,020,851.20x = 1,531,498.24 × 310,860.64
  4. Step 4: Simplify right side
    1,020,851.20x = 476,082,523,045.27
  5. Step 5: Solve for x
    x = 476,082,523,045.27/1,020,851.20
  6. Step 6: Final answer
    x = 466,358.39

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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.