Home / 1,020,674.24-1,531,339.20-310,839.68

Finding the Fourth Proportional to 1,020,674.24, 1,531,339.20 and 310,839.68

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Solution

The fourth proportional to 1,020,674.24, 1,531,339.20 and 310,839.68 is: 466,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,674.24 : 1,531,339.20 = 310,839.68 : x
  2. Step 2: Convert to fraction form
    1,020,674.24/1,531,339.20 = 310,839.68/x
  3. Step 3: Cross multiply
    1,020,674.24x = 1,531,339.20 × 310,839.68
  4. Step 4: Simplify right side
    1,020,674.24x = 476,000,986,899.46
  5. Step 5: Solve for x
    x = 476,000,986,899.46/1,020,674.24
  6. Step 6: Final answer
    x = 466,359.36

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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.