Home / 931,147.43-1,397,698.47-825,209.15

Finding the Fourth Proportional to 931,147.43, 1,397,698.47 and 825,209.15

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Solution

The fourth proportional to 931,147.43, 1,397,698.47 and 825,209.15 is: 1,238,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,147.43 : 1,397,698.47 = 825,209.15 : x
  2. Step 2: Convert to fraction form
    931,147.43/1,397,698.47 = 825,209.15/x
  3. Step 3: Cross multiply
    931,147.43x = 1,397,698.47 × 825,209.15
  4. Step 4: Simplify right side
    931,147.43x = 1,153,393,566,784.71
  5. Step 5: Solve for x
    x = 1,153,393,566,784.71/931,147.43
  6. Step 6: Final answer
    x = 1,238,679.86

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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.