Home / 1,040,599.30-1,560,898.95-686,013.70

Finding the Fourth Proportional to 1,040,599.30, 1,560,898.95 and 686,013.70

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Solution

The fourth proportional to 1,040,599.30, 1,560,898.95 and 686,013.70 is: 1,029,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,599.30 : 1,560,898.95 = 686,013.70 : x
  2. Step 2: Convert to fraction form
    1,040,599.30/1,560,898.95 = 686,013.70/x
  3. Step 3: Cross multiply
    1,040,599.30x = 1,560,898.95 × 686,013.70
  4. Step 4: Simplify right side
    1,040,599.30x = 1,070,798,064,015.61
  5. Step 5: Solve for x
    x = 1,070,798,064,015.61/1,040,599.30
  6. Step 6: Final answer
    x = 1,029,020.55

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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.