Home / 951,919.80-1,427,879.70-909,929.40

Finding the Fourth Proportional to 951,919.80, 1,427,879.70 and 909,929.40

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Solution

The fourth proportional to 951,919.80, 1,427,879.70 and 909,929.40 is: 1,364,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,919.80 : 1,427,879.70 = 909,929.40 : x
  2. Step 2: Convert to fraction form
    951,919.80/1,427,879.70 = 909,929.40/x
  3. Step 3: Cross multiply
    951,919.80x = 1,427,879.70 × 909,929.40
  4. Step 4: Simplify right side
    951,919.80x = 1,299,269,718,693.18
  5. Step 5: Solve for x
    x = 1,299,269,718,693.18/951,919.80
  6. Step 6: Final answer
    x = 1,364,894.10

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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.