Home / 1,188,259.52-1,782,449.76-346,874.72

Finding the Fourth Proportional to 1,188,259.52, 1,782,449.76 and 346,874.72

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Solution

The fourth proportional to 1,188,259.52, 1,782,449.76 and 346,874.72 is: 520,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,259.52 : 1,782,449.76 = 346,874.72 : x
  2. Step 2: Convert to fraction form
    1,188,259.52/1,782,449.76 = 346,874.72/x
  3. Step 3: Cross multiply
    1,188,259.52x = 1,782,449.76 × 346,874.72
  4. Step 4: Simplify right side
    1,188,259.52x = 618,286,761,414.07
  5. Step 5: Solve for x
    x = 618,286,761,414.07/1,188,259.52
  6. Step 6: Final answer
    x = 520,329.74

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1.5x scale

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.