Home / 1,097,661.30-1,643,381.55-985,686.90

Finding the Fourth Proportional to 1,097,661.30, 1,643,381.55 and 985,686.90

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Solution

The fourth proportional to 1,097,661.30, 1,643,381.55 and 985,686.90 is: 1,475,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,661.30 : 1,643,381.55 = 985,686.90 : x
  2. Step 2: Convert to fraction form
    1,097,661.30/1,643,381.55 = 985,686.90/x
  3. Step 3: Cross multiply
    1,097,661.30x = 1,643,381.55 × 985,686.90
  4. Step 4: Simplify right side
    1,097,661.30x = 1,619,859,665,536.70
  5. Step 5: Solve for x
    x = 1,619,859,665,536.70/1,097,661.30
  6. Step 6: Final answer
    x = 1,475,737.25

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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.