Home / 1,400,542.40-2,095,975.20-839,979.20

Finding the Fourth Proportional to 1,400,542.40, 2,095,975.20 and 839,979.20

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Solution

The fourth proportional to 1,400,542.40, 2,095,975.20 and 839,979.20 is: 1,257,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,542.40 : 2,095,975.20 = 839,979.20 : x
  2. Step 2: Convert to fraction form
    1,400,542.40/2,095,975.20 = 839,979.20/x
  3. Step 3: Cross multiply
    1,400,542.40x = 2,095,975.20 × 839,979.20
  4. Step 4: Simplify right side
    1,400,542.40x = 1,760,575,571,715.84
  5. Step 5: Solve for x
    x = 1,760,575,571,715.84/1,400,542.40
  6. Step 6: Final answer
    x = 1,257,066.96

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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.