Home / 2,580,631.59-3,871,098.05-783,573.69

Finding the Fourth Proportional to 2,580,631.59, 3,871,098.05 and 783,573.69

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Solution

The fourth proportional to 2,580,631.59, 3,871,098.05 and 783,573.69 is: 1,175,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,631.59 : 3,871,098.05 = 783,573.69 : x
  2. Step 2: Convert to fraction form
    2,580,631.59/3,871,098.05 = 783,573.69/x
  3. Step 3: Cross multiply
    2,580,631.59x = 3,871,098.05 × 783,573.69
  4. Step 4: Simplify right side
    2,580,631.59x = 3,033,290,579,472.44
  5. Step 5: Solve for x
    x = 3,033,290,579,472.44/2,580,631.59
  6. Step 6: Final answer
    x = 1,175,406.28

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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.