Home / 2,678,412.40-4,017,229.80-784,956.40

Finding the Fourth Proportional to 2,678,412.40, 4,017,229.80 and 784,956.40

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Solution

The fourth proportional to 2,678,412.40, 4,017,229.80 and 784,956.40 is: 1,177,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,412.40 : 4,017,229.80 = 784,956.40 : x
  2. Step 2: Convert to fraction form
    2,678,412.40/4,017,229.80 = 784,956.40/x
  3. Step 3: Cross multiply
    2,678,412.40x = 4,017,229.80 × 784,956.40
  4. Step 4: Simplify right side
    2,678,412.40x = 3,153,350,241,780.72
  5. Step 5: Solve for x
    x = 3,153,350,241,780.72/2,678,412.40
  6. Step 6: Final answer
    x = 1,177,320.66

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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.