Home / 1,567,105.12-2,350,866.66-768,412.72

Finding the Fourth Proportional to 1,567,105.12, 2,350,866.66 and 768,412.72

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Solution

The fourth proportional to 1,567,105.12, 2,350,866.66 and 768,412.72 is: 1,152,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,105.12 : 2,350,866.66 = 768,412.72 : x
  2. Step 2: Convert to fraction form
    1,567,105.12/2,350,866.66 = 768,412.72/x
  3. Step 3: Cross multiply
    1,567,105.12x = 2,350,866.66 × 768,412.72
  4. Step 4: Simplify right side
    1,567,105.12x = 1,806,435,844,567.92
  5. Step 5: Solve for x
    x = 1,806,435,844,567.92/1,567,105.12
  6. Step 6: Final answer
    x = 1,152,721.55

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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.