Home / 897,999.30-1,346,998.95-853,712.55

Finding the Fourth Proportional to 897,999.30, 1,346,998.95 and 853,712.55

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Solution

The fourth proportional to 897,999.30, 1,346,998.95 and 853,712.55 is: 1,280,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,999.30 : 1,346,998.95 = 853,712.55 : x
  2. Step 2: Convert to fraction form
    897,999.30/1,346,998.95 = 853,712.55/x
  3. Step 3: Cross multiply
    897,999.30x = 1,346,998.95 × 853,712.55
  4. Step 4: Simplify right side
    897,999.30x = 1,149,949,908,451.82
  5. Step 5: Solve for x
    x = 1,149,949,908,451.82/897,999.30
  6. Step 6: Final answer
    x = 1,280,568.83

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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.