Home / 1,400,522.90-2,095,945.95-839,959.70

Finding the Fourth Proportional to 1,400,522.90, 2,095,945.95 and 839,959.70

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Solution

The fourth proportional to 1,400,522.90, 2,095,945.95 and 839,959.70 is: 1,257,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,522.90 : 2,095,945.95 = 839,959.70 : x
  2. Step 2: Convert to fraction form
    1,400,522.90/2,095,945.95 = 839,959.70/x
  3. Step 3: Cross multiply
    1,400,522.90x = 2,095,945.95 × 839,959.70
  4. Step 4: Simplify right side
    1,400,522.90x = 1,760,510,131,378.22
  5. Step 5: Solve for x
    x = 1,760,510,131,378.22/1,400,522.90
  6. Step 6: Final answer
    x = 1,257,037.73

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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.