Home / 890,099.69-1,229,041.57-822,089.46

Finding the Fourth Proportional to 890,099.69, 1,229,041.57 and 822,089.46

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Solution

The fourth proportional to 890,099.69, 1,229,041.57 and 822,089.46 is: 1,135,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,099.69 : 1,229,041.57 = 822,089.46 : x
  2. Step 2: Convert to fraction form
    890,099.69/1,229,041.57 = 822,089.46/x
  3. Step 3: Cross multiply
    890,099.69x = 1,229,041.57 × 822,089.46
  4. Step 4: Simplify right side
    890,099.69x = 1,010,382,120,598.85
  5. Step 5: Solve for x
    x = 1,010,382,120,598.85/890,099.69
  6. Step 6: Final answer
    x = 1,135,133.66

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Double scale
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1.5x scale

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.