Home / 1,025,894.40-1,536,998.40-878,438.40

Finding the Fourth Proportional to 1,025,894.40, 1,536,998.40 and 878,438.40

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Solution

The fourth proportional to 1,025,894.40, 1,536,998.40 and 878,438.40 is: 1,316,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,894.40 : 1,536,998.40 = 878,438.40 : x
  2. Step 2: Convert to fraction form
    1,025,894.40/1,536,998.40 = 878,438.40/x
  3. Step 3: Cross multiply
    1,025,894.40x = 1,536,998.40 × 878,438.40
  4. Step 4: Simplify right side
    1,025,894.40x = 1,350,158,415,298.56
  5. Step 5: Solve for x
    x = 1,350,158,415,298.56/1,025,894.40
  6. Step 6: Final answer
    x = 1,316,079.33

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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.