Home / 1,400,550.40-2,095,987.20-839,987.20

Finding the Fourth Proportional to 1,400,550.40, 2,095,987.20 and 839,987.20

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Solution

The fourth proportional to 1,400,550.40, 2,095,987.20 and 839,987.20 is: 1,257,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,550.40 : 2,095,987.20 = 839,987.20 : x
  2. Step 2: Convert to fraction form
    1,400,550.40/2,095,987.20 = 839,987.20/x
  3. Step 3: Cross multiply
    1,400,550.40x = 2,095,987.20 × 839,987.20
  4. Step 4: Simplify right side
    1,400,550.40x = 1,760,602,419,363.84
  5. Step 5: Solve for x
    x = 1,760,602,419,363.84/1,400,550.40
  6. Step 6: Final answer
    x = 1,257,078.95

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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.