Home / 1,532,642.40-2,300,000.40-858,722.40

Finding the Fourth Proportional to 1,532,642.40, 2,300,000.40 and 858,722.40

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Solution

The fourth proportional to 1,532,642.40, 2,300,000.40 and 858,722.40 is: 1,288,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,642.40 : 2,300,000.40 = 858,722.40 : x
  2. Step 2: Convert to fraction form
    1,532,642.40/2,300,000.40 = 858,722.40/x
  3. Step 3: Cross multiply
    1,532,642.40x = 2,300,000.40 × 858,722.40
  4. Step 4: Simplify right side
    1,532,642.40x = 1,975,061,863,488.96
  5. Step 5: Solve for x
    x = 1,975,061,863,488.96/1,532,642.40
  6. Step 6: Final answer
    x = 1,288,664.51

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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.