Home / 1,188,089.16-1,782,104.31-346,648.20

Finding the Fourth Proportional to 1,188,089.16, 1,782,104.31 and 346,648.20

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Solution

The fourth proportional to 1,188,089.16, 1,782,104.31 and 346,648.20 is: 519,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,089.16 : 1,782,104.31 = 346,648.20 : x
  2. Step 2: Convert to fraction form
    1,188,089.16/1,782,104.31 = 346,648.20/x
  3. Step 3: Cross multiply
    1,188,089.16x = 1,782,104.31 × 346,648.20
  4. Step 4: Simplify right side
    1,188,089.16x = 617,763,251,273.74
  5. Step 5: Solve for x
    x = 617,763,251,273.74/1,188,089.16
  6. Step 6: Final answer
    x = 519,963.71

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Double scale
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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.