Home / 1,008,411.70-1,512,617.55-898,186.90

Finding the Fourth Proportional to 1,008,411.70, 1,512,617.55 and 898,186.90

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Solution

The fourth proportional to 1,008,411.70, 1,512,617.55 and 898,186.90 is: 1,347,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,411.70 : 1,512,617.55 = 898,186.90 : x
  2. Step 2: Convert to fraction form
    1,008,411.70/1,512,617.55 = 898,186.90/x
  3. Step 3: Cross multiply
    1,008,411.70x = 1,512,617.55 × 898,186.90
  4. Step 4: Simplify right side
    1,008,411.70x = 1,358,613,268,120.10
  5. Step 5: Solve for x
    x = 1,358,613,268,120.10/1,008,411.70
  6. Step 6: Final answer
    x = 1,347,280.35

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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.