Home / 1,040,217.30-1,557,701.55-830,265.30

Finding the Fourth Proportional to 1,040,217.30, 1,557,701.55 and 830,265.30

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Solution

The fourth proportional to 1,040,217.30, 1,557,701.55 and 830,265.30 is: 1,243,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,217.30 : 1,557,701.55 = 830,265.30 : x
  2. Step 2: Convert to fraction form
    1,040,217.30/1,557,701.55 = 830,265.30/x
  3. Step 3: Cross multiply
    1,040,217.30x = 1,557,701.55 × 830,265.30
  4. Step 4: Simplify right side
    1,040,217.30x = 1,293,305,544,721.22
  5. Step 5: Solve for x
    x = 1,293,305,544,721.22/1,040,217.30
  6. Step 6: Final answer
    x = 1,243,303.25

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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.