Home / 1,008,073.70-1,512,110.55-830,780.90

Finding the Fourth Proportional to 1,008,073.70, 1,512,110.55 and 830,780.90

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Solution

The fourth proportional to 1,008,073.70, 1,512,110.55 and 830,780.90 is: 1,246,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,073.70 : 1,512,110.55 = 830,780.90 : x
  2. Step 2: Convert to fraction form
    1,008,073.70/1,512,110.55 = 830,780.90/x
  3. Step 3: Cross multiply
    1,008,073.70x = 1,512,110.55 × 830,780.90
  4. Step 4: Simplify right side
    1,008,073.70x = 1,256,232,563,628.50
  5. Step 5: Solve for x
    x = 1,256,232,563,628.50/1,008,073.70
  6. Step 6: Final answer
    x = 1,246,171.35

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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.