Home / 826,656.85-1,240,092.19-570,012.40

Finding the Fourth Proportional to 826,656.85, 1,240,092.19 and 570,012.40

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Solution

The fourth proportional to 826,656.85, 1,240,092.19 and 570,012.40 is: 855,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,656.85 : 1,240,092.19 = 570,012.40 : x
  2. Step 2: Convert to fraction form
    826,656.85/1,240,092.19 = 570,012.40/x
  3. Step 3: Cross multiply
    826,656.85x = 1,240,092.19 × 570,012.40
  4. Step 4: Simplify right side
    826,656.85x = 706,867,919,242.70
  5. Step 5: Solve for x
    x = 706,867,919,242.70/826,656.85
  6. Step 6: Final answer
    x = 855,092.32

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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.