Home / 1,295,482.60-1,787,760.07-714,689.92

Finding the Fourth Proportional to 1,295,482.60, 1,787,760.07 and 714,689.92

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Solution

The fourth proportional to 1,295,482.60, 1,787,760.07 and 714,689.92 is: 986,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,482.60 : 1,787,760.07 = 714,689.92 : x
  2. Step 2: Convert to fraction form
    1,295,482.60/1,787,760.07 = 714,689.92/x
  3. Step 3: Cross multiply
    1,295,482.60x = 1,787,760.07 × 714,689.92
  4. Step 4: Simplify right side
    1,295,482.60x = 1,277,694,101,407.49
  5. Step 5: Solve for x
    x = 1,277,694,101,407.49/1,295,482.60
  6. Step 6: Final answer
    x = 986,268.82

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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.