Home / 1,130,749.32-1,560,447.18-621,452.52

Finding the Fourth Proportional to 1,130,749.32, 1,560,447.18 and 621,452.52

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Solution

The fourth proportional to 1,130,749.32, 1,560,447.18 and 621,452.52 is: 857,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,749.32 : 1,560,447.18 = 621,452.52 : x
  2. Step 2: Convert to fraction form
    1,130,749.32/1,560,447.18 = 621,452.52/x
  3. Step 3: Cross multiply
    1,130,749.32x = 1,560,447.18 × 621,452.52
  4. Step 4: Simplify right side
    1,130,749.32x = 969,743,832,337.89
  5. Step 5: Solve for x
    x = 969,743,832,337.89/1,130,749.32
  6. Step 6: Final answer
    x = 857,611.69

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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.