Home / 1,650,749.60-2,278,506.84-972,079.76

Finding the Fourth Proportional to 1,650,749.60, 2,278,506.84 and 972,079.76

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Solution

The fourth proportional to 1,650,749.60, 2,278,506.84 and 972,079.76 is: 1,341,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,749.60 : 2,278,506.84 = 972,079.76 : x
  2. Step 2: Convert to fraction form
    1,650,749.60/2,278,506.84 = 972,079.76/x
  3. Step 3: Cross multiply
    1,650,749.60x = 2,278,506.84 × 972,079.76
  4. Step 4: Simplify right side
    1,650,749.60x = 2,214,890,382,185.56
  5. Step 5: Solve for x
    x = 2,214,890,382,185.56/1,650,749.60
  6. Step 6: Final answer
    x = 1,341,748.25

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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.