Home / 1,567,008.20-2,350,949.70-768,315.80

Finding the Fourth Proportional to 1,567,008.20, 2,350,949.70 and 768,315.80

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Solution

The fourth proportional to 1,567,008.20, 2,350,949.70 and 768,315.80 is: 1,152,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,008.20 : 2,350,949.70 = 768,315.80 : x
  2. Step 2: Convert to fraction form
    1,567,008.20/2,350,949.70 = 768,315.80/x
  3. Step 3: Cross multiply
    1,567,008.20x = 2,350,949.70 × 768,315.80
  4. Step 4: Simplify right side
    1,567,008.20x = 1,806,271,799,515.26
  5. Step 5: Solve for x
    x = 1,806,271,799,515.26/1,567,008.20
  6. Step 6: Final answer
    x = 1,152,688.16

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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.