Home / 989,716.70-1,484,575.05-847,999.10

Finding the Fourth Proportional to 989,716.70, 1,484,575.05 and 847,999.10

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Solution

The fourth proportional to 989,716.70, 1,484,575.05 and 847,999.10 is: 1,271,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,716.70 : 1,484,575.05 = 847,999.10 : x
  2. Step 2: Convert to fraction form
    989,716.70/1,484,575.05 = 847,999.10/x
  3. Step 3: Cross multiply
    989,716.70x = 1,484,575.05 × 847,999.10
  4. Step 4: Simplify right side
    989,716.70x = 1,258,918,306,282.46
  5. Step 5: Solve for x
    x = 1,258,918,306,282.46/989,716.70
  6. Step 6: Final answer
    x = 1,271,998.65

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Similar ratio
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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.