Home / 1,452,919.40-2,005,041.06-808,413.80

Finding the Fourth Proportional to 1,452,919.40, 2,005,041.06 and 808,413.80

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Solution

The fourth proportional to 1,452,919.40, 2,005,041.06 and 808,413.80 is: 1,115,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,919.40 : 2,005,041.06 = 808,413.80 : x
  2. Step 2: Convert to fraction form
    1,452,919.40/2,005,041.06 = 808,413.80/x
  3. Step 3: Cross multiply
    1,452,919.40x = 2,005,041.06 × 808,413.80
  4. Step 4: Simplify right side
    1,452,919.40x = 1,620,902,862,470.63
  5. Step 5: Solve for x
    x = 1,620,902,862,470.63/1,452,919.40
  6. Step 6: Final answer
    x = 1,115,617.88

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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.