Home / 1,107,116.70-1,663,785.45-970,259.10

Finding the Fourth Proportional to 1,107,116.70, 1,663,785.45 and 970,259.10

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Solution

The fourth proportional to 1,107,116.70, 1,663,785.45 and 970,259.10 is: 1,458,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,116.70 : 1,663,785.45 = 970,259.10 : x
  2. Step 2: Convert to fraction form
    1,107,116.70/1,663,785.45 = 970,259.10/x
  3. Step 3: Cross multiply
    1,107,116.70x = 1,663,785.45 × 970,259.10
  4. Step 4: Simplify right side
    1,107,116.70x = 1,614,302,973,310.10
  5. Step 5: Solve for x
    x = 1,614,302,973,310.10/1,107,116.70
  6. Step 6: Final answer
    x = 1,458,114.55

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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.