Home / 1,549,324.70-2,138,120.01-861,025.57

Finding the Fourth Proportional to 1,549,324.70, 2,138,120.01 and 861,025.57

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Solution

The fourth proportional to 1,549,324.70, 2,138,120.01 and 861,025.57 is: 1,188,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,324.70 : 2,138,120.01 = 861,025.57 : x
  2. Step 2: Convert to fraction form
    1,549,324.70/2,138,120.01 = 861,025.57/x
  3. Step 3: Cross multiply
    1,549,324.70x = 2,138,120.01 × 861,025.57
  4. Step 4: Simplify right side
    1,549,324.70x = 1,840,975,989,648.06
  5. Step 5: Solve for x
    x = 1,840,975,989,648.06/1,549,324.70
  6. Step 6: Final answer
    x = 1,188,244.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.