Home / 1,150,586.32-1,587,863.46-641,292.40

Finding the Fourth Proportional to 1,150,586.32, 1,587,863.46 and 641,292.40

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Solution

The fourth proportional to 1,150,586.32, 1,587,863.46 and 641,292.40 is: 885,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,586.32 : 1,587,863.46 = 641,292.40 : x
  2. Step 2: Convert to fraction form
    1,150,586.32/1,587,863.46 = 641,292.40/x
  3. Step 3: Cross multiply
    1,150,586.32x = 1,587,863.46 × 641,292.40
  4. Step 4: Simplify right side
    1,150,586.32x = 1,018,284,769,135.70
  5. Step 5: Solve for x
    x = 1,018,284,769,135.70/1,150,586.32
  6. Step 6: Final answer
    x = 885,013.80

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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.