Home / 838,064.10-1,259,720.55-822,317.70

Finding the Fourth Proportional to 838,064.10, 1,259,720.55 and 822,317.70

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Solution

The fourth proportional to 838,064.10, 1,259,720.55 and 822,317.70 is: 1,236,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,064.10 : 1,259,720.55 = 822,317.70 : x
  2. Step 2: Convert to fraction form
    838,064.10/1,259,720.55 = 822,317.70/x
  3. Step 3: Cross multiply
    838,064.10x = 1,259,720.55 × 822,317.70
  4. Step 4: Simplify right side
    838,064.10x = 1,035,890,505,318.74
  5. Step 5: Solve for x
    x = 1,035,890,505,318.74/838,064.10
  6. Step 6: Final answer
    x = 1,236,051.64

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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.