Home / 1,553,254.80-2,329,882.20-431,323.80

Finding the Fourth Proportional to 1,553,254.80, 2,329,882.20 and 431,323.80

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Solution

The fourth proportional to 1,553,254.80, 2,329,882.20 and 431,323.80 is: 646,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,254.80 : 2,329,882.20 = 431,323.80 : x
  2. Step 2: Convert to fraction form
    1,553,254.80/2,329,882.20 = 431,323.80/x
  3. Step 3: Cross multiply
    1,553,254.80x = 2,329,882.20 × 431,323.80
  4. Step 4: Simplify right side
    1,553,254.80x = 1,004,933,644,056.36
  5. Step 5: Solve for x
    x = 1,004,933,644,056.36/1,553,254.80
  6. Step 6: Final answer
    x = 646,985.70

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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.