Home / 925,407.80-1,388,111.70-715,455.80

Finding the Fourth Proportional to 925,407.80, 1,388,111.70 and 715,455.80

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Solution

The fourth proportional to 925,407.80, 1,388,111.70 and 715,455.80 is: 1,073,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,407.80 : 1,388,111.70 = 715,455.80 : x
  2. Step 2: Convert to fraction form
    925,407.80/1,388,111.70 = 715,455.80/x
  3. Step 3: Cross multiply
    925,407.80x = 1,388,111.70 × 715,455.80
  4. Step 4: Simplify right side
    925,407.80x = 993,132,566,812.86
  5. Step 5: Solve for x
    x = 993,132,566,812.86/925,407.80
  6. Step 6: Final answer
    x = 1,073,183.70

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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.