Home / 1,280,808.16-1,767,399.12-736,799.20

Finding the Fourth Proportional to 1,280,808.16, 1,767,399.12 and 736,799.20

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Solution

The fourth proportional to 1,280,808.16, 1,767,399.12 and 736,799.20 is: 1,016,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,808.16 : 1,767,399.12 = 736,799.20 : x
  2. Step 2: Convert to fraction form
    1,280,808.16/1,767,399.12 = 736,799.20/x
  3. Step 3: Cross multiply
    1,280,808.16x = 1,767,399.12 × 736,799.20
  4. Step 4: Simplify right side
    1,280,808.16x = 1,302,218,257,696.70
  5. Step 5: Solve for x
    x = 1,302,218,257,696.70/1,280,808.16
  6. Step 6: Final answer
    x = 1,016,716.08

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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.