Home / 1,539,679.80-2,309,519.70-417,748.80

Finding the Fourth Proportional to 1,539,679.80, 2,309,519.70 and 417,748.80

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Solution

The fourth proportional to 1,539,679.80, 2,309,519.70 and 417,748.80 is: 626,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,679.80 : 2,309,519.70 = 417,748.80 : x
  2. Step 2: Convert to fraction form
    1,539,679.80/2,309,519.70 = 417,748.80/x
  3. Step 3: Cross multiply
    1,539,679.80x = 2,309,519.70 × 417,748.80
  4. Step 4: Simplify right side
    1,539,679.80x = 964,799,083,251.36
  5. Step 5: Solve for x
    x = 964,799,083,251.36/1,539,679.80
  6. Step 6: Final answer
    x = 626,623.20

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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.