Home / 1,128,314.20-1,692,548.10-329,594.20

Finding the Fourth Proportional to 1,128,314.20, 1,692,548.10 and 329,594.20

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Solution

The fourth proportional to 1,128,314.20, 1,692,548.10 and 329,594.20 is: 494,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,314.20 : 1,692,548.10 = 329,594.20 : x
  2. Step 2: Convert to fraction form
    1,128,314.20/1,692,548.10 = 329,594.20/x
  3. Step 3: Cross multiply
    1,128,314.20x = 1,692,548.10 × 329,594.20
  4. Step 4: Simplify right side
    1,128,314.20x = 557,854,036,981.02
  5. Step 5: Solve for x
    x = 557,854,036,981.02/1,128,314.20
  6. Step 6: Final answer
    x = 494,413.73

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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.