Home / 1,398,750.48-2,098,125.72-925,325.12

Finding the Fourth Proportional to 1,398,750.48, 2,098,125.72 and 925,325.12

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Solution

The fourth proportional to 1,398,750.48, 2,098,125.72 and 925,325.12 is: 1,387,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,750.48 : 2,098,125.72 = 925,325.12 : x
  2. Step 2: Convert to fraction form
    1,398,750.48/2,098,125.72 = 925,325.12/x
  3. Step 3: Cross multiply
    1,398,750.48x = 2,098,125.72 × 925,325.12
  4. Step 4: Simplify right side
    1,398,750.48x = 1,941,448,433,634.09
  5. Step 5: Solve for x
    x = 1,941,448,433,634.09/1,398,750.48
  6. Step 6: Final answer
    x = 1,387,987.68

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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.