Home / 1,094,517.40-1,638,665.70-970,101.40

Finding the Fourth Proportional to 1,094,517.40, 1,638,665.70 and 970,101.40

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Solution

The fourth proportional to 1,094,517.40, 1,638,665.70 and 970,101.40 is: 1,452,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,517.40 : 1,638,665.70 = 970,101.40 : x
  2. Step 2: Convert to fraction form
    1,094,517.40/1,638,665.70 = 970,101.40/x
  3. Step 3: Cross multiply
    1,094,517.40x = 1,638,665.70 × 970,101.40
  4. Step 4: Simplify right side
    1,094,517.40x = 1,589,671,889,701.98
  5. Step 5: Solve for x
    x = 1,589,671,889,701.98/1,094,517.40
  6. Step 6: Final answer
    x = 1,452,395.27

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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.