Home / 1,040,228.30-1,557,718.05-830,276.30

Finding the Fourth Proportional to 1,040,228.30, 1,557,718.05 and 830,276.30

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Solution

The fourth proportional to 1,040,228.30, 1,557,718.05 and 830,276.30 is: 1,243,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,228.30 : 1,557,718.05 = 830,276.30 : x
  2. Step 2: Convert to fraction form
    1,040,228.30/1,557,718.05 = 830,276.30/x
  3. Step 3: Cross multiply
    1,040,228.30x = 1,557,718.05 × 830,276.30
  4. Step 4: Simplify right side
    1,040,228.30x = 1,293,336,378,997.22
  5. Step 5: Solve for x
    x = 1,293,336,378,997.22/1,040,228.30
  6. Step 6: Final answer
    x = 1,243,319.74

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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.