Home / 1,247,662.60-1,868,729.10-966,267.40

Finding the Fourth Proportional to 1,247,662.60, 1,868,729.10 and 966,267.40

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Solution

The fourth proportional to 1,247,662.60, 1,868,729.10 and 966,267.40 is: 1,447,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,662.60 : 1,868,729.10 = 966,267.40 : x
  2. Step 2: Convert to fraction form
    1,247,662.60/1,868,729.10 = 966,267.40/x
  3. Step 3: Cross multiply
    1,247,662.60x = 1,868,729.10 × 966,267.40
  4. Step 4: Simplify right side
    1,247,662.60x = 1,805,692,008,761.34
  5. Step 5: Solve for x
    x = 1,805,692,008,761.34/1,247,662.60
  6. Step 6: Final answer
    x = 1,447,259.87

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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.