Home / 1,286,098.56-1,774,454.04-1,013,320.80

Finding the Fourth Proportional to 1,286,098.56, 1,774,454.04 and 1,013,320.80

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Solution

The fourth proportional to 1,286,098.56, 1,774,454.04 and 1,013,320.80 is: 1,398,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,098.56 : 1,774,454.04 = 1,013,320.80 : x
  2. Step 2: Convert to fraction form
    1,286,098.56/1,774,454.04 = 1,013,320.80/x
  3. Step 3: Cross multiply
    1,286,098.56x = 1,774,454.04 × 1,013,320.80
  4. Step 4: Simplify right side
    1,286,098.56x = 1,798,091,187,376.03
  5. Step 5: Solve for x
    x = 1,798,091,187,376.03/1,286,098.56
  6. Step 6: Final answer
    x = 1,398,097.50

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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.