Home / 1,200,550.13-1,656,764.13-649,265.82

Finding the Fourth Proportional to 1,200,550.13, 1,656,764.13 and 649,265.82

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Solution

The fourth proportional to 1,200,550.13, 1,656,764.13 and 649,265.82 is: 895,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,550.13 : 1,656,764.13 = 649,265.82 : x
  2. Step 2: Convert to fraction form
    1,200,550.13/1,656,764.13 = 649,265.82/x
  3. Step 3: Cross multiply
    1,200,550.13x = 1,656,764.13 × 649,265.82
  4. Step 4: Simplify right side
    1,200,550.13x = 1,075,680,321,411.04
  5. Step 5: Solve for x
    x = 1,075,680,321,411.04/1,200,550.13
  6. Step 6: Final answer
    x = 895,989.51

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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.