Home / 1,786,422.40-2,680,411.20-899,958.40

Finding the Fourth Proportional to 1,786,422.40, 2,680,411.20 and 899,958.40

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Solution

The fourth proportional to 1,786,422.40, 2,680,411.20 and 899,958.40 is: 1,350,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,422.40 : 2,680,411.20 = 899,958.40 : x
  2. Step 2: Convert to fraction form
    1,786,422.40/2,680,411.20 = 899,958.40/x
  3. Step 3: Cross multiply
    1,786,422.40x = 2,680,411.20 × 899,958.40
  4. Step 4: Simplify right side
    1,786,422.40x = 2,412,258,574,894.08
  5. Step 5: Solve for x
    x = 2,412,258,574,894.08/1,786,422.40
  6. Step 6: Final answer
    x = 1,350,329.34

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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.