Home / 1,341,413.20-2,012,119.80-442,993.60

Finding the Fourth Proportional to 1,341,413.20, 2,012,119.80 and 442,993.60

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Solution

The fourth proportional to 1,341,413.20, 2,012,119.80 and 442,993.60 is: 664,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,413.20 : 2,012,119.80 = 442,993.60 : x
  2. Step 2: Convert to fraction form
    1,341,413.20/2,012,119.80 = 442,993.60/x
  3. Step 3: Cross multiply
    1,341,413.20x = 2,012,119.80 × 442,993.60
  4. Step 4: Simplify right side
    1,341,413.20x = 891,356,193,833.28
  5. Step 5: Solve for x
    x = 891,356,193,833.28/1,341,413.20
  6. Step 6: Final answer
    x = 664,490.40

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Double scale
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Similar ratio
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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.