Home / 1,259,217.90-1,887,797.61-585,719.10

Finding the Fourth Proportional to 1,259,217.90, 1,887,797.61 and 585,719.10

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Solution

The fourth proportional to 1,259,217.90, 1,887,797.61 and 585,719.10 is: 878,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,217.90 : 1,887,797.61 = 585,719.10 : x
  2. Step 2: Convert to fraction form
    1,259,217.90/1,887,797.61 = 585,719.10/x
  3. Step 3: Cross multiply
    1,259,217.90x = 1,887,797.61 × 585,719.10
  4. Step 4: Simplify right side
    1,259,217.90x = 1,105,719,117,111.35
  5. Step 5: Solve for x
    x = 1,105,719,117,111.35/1,259,217.90
  6. Step 6: Final answer
    x = 878,099.90

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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.