Home / 1,213,825.50-1,675,079.19-677,281.50

Finding the Fourth Proportional to 1,213,825.50, 1,675,079.19 and 677,281.50

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Solution

The fourth proportional to 1,213,825.50, 1,675,079.19 and 677,281.50 is: 934,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,825.50 : 1,675,079.19 = 677,281.50 : x
  2. Step 2: Convert to fraction form
    1,213,825.50/1,675,079.19 = 677,281.50/x
  3. Step 3: Cross multiply
    1,213,825.50x = 1,675,079.19 × 677,281.50
  4. Step 4: Simplify right side
    1,213,825.50x = 1,134,500,146,421.98
  5. Step 5: Solve for x
    x = 1,134,500,146,421.98/1,213,825.50
  6. Step 6: Final answer
    x = 934,648.47

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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.