Home / 1,889,047.72-2,832,027.42-878,799.40

Finding the Fourth Proportional to 1,889,047.72, 2,832,027.42 and 878,799.40

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Solution

The fourth proportional to 1,889,047.72, 2,832,027.42 and 878,799.40 is: 1,317,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,047.72 : 2,832,027.42 = 878,799.40 : x
  2. Step 2: Convert to fraction form
    1,889,047.72/2,832,027.42 = 878,799.40/x
  3. Step 3: Cross multiply
    1,889,047.72x = 2,832,027.42 × 878,799.40
  4. Step 4: Simplify right side
    1,889,047.72x = 2,488,783,997,479.55
  5. Step 5: Solve for x
    x = 2,488,783,997,479.55/1,889,047.72
  6. Step 6: Final answer
    x = 1,317,480.74

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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.