Home / 1,489,987.80-2,234,981.70-591,643.80

Finding the Fourth Proportional to 1,489,987.80, 2,234,981.70 and 591,643.80

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Solution

The fourth proportional to 1,489,987.80, 2,234,981.70 and 591,643.80 is: 887,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,987.80 : 2,234,981.70 = 591,643.80 : x
  2. Step 2: Convert to fraction form
    1,489,987.80/2,234,981.70 = 591,643.80/x
  3. Step 3: Cross multiply
    1,489,987.80x = 2,234,981.70 × 591,643.80
  4. Step 4: Simplify right side
    1,489,987.80x = 1,322,313,065,918.46
  5. Step 5: Solve for x
    x = 1,322,313,065,918.46/1,489,987.80
  6. Step 6: Final answer
    x = 887,465.70

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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.