Home / 925,246.80-1,387,870.20-715,035.60

Finding the Fourth Proportional to 925,246.80, 1,387,870.20 and 715,035.60

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Solution

The fourth proportional to 925,246.80, 1,387,870.20 and 715,035.60 is: 1,072,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,246.80 : 1,387,870.20 = 715,035.60 : x
  2. Step 2: Convert to fraction form
    925,246.80/1,387,870.20 = 715,035.60/x
  3. Step 3: Cross multiply
    925,246.80x = 1,387,870.20 × 715,035.60
  4. Step 4: Simplify right side
    925,246.80x = 992,376,601,179.12
  5. Step 5: Solve for x
    x = 992,376,601,179.12/925,246.80
  6. Step 6: Final answer
    x = 1,072,553.40

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1.5x scale

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.