Home / 1,172,233.80-1,756,339.88-787,261.05

Finding the Fourth Proportional to 1,172,233.80, 1,756,339.88 and 787,261.05

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Solution

The fourth proportional to 1,172,233.80, 1,756,339.88 and 787,261.05 is: 1,179,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,233.80 : 1,756,339.88 = 787,261.05 : x
  2. Step 2: Convert to fraction form
    1,172,233.80/1,756,339.88 = 787,261.05/x
  3. Step 3: Cross multiply
    1,172,233.80x = 1,756,339.88 × 787,261.05
  4. Step 4: Simplify right side
    1,172,233.80x = 1,382,697,974,149.37
  5. Step 5: Solve for x
    x = 1,382,697,974,149.37/1,172,233.80
  6. Step 6: Final answer
    x = 1,179,541.12

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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.