Home / 876,875.20-1,315,312.80-799,460.80

Finding the Fourth Proportional to 876,875.20, 1,315,312.80 and 799,460.80

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Solution

The fourth proportional to 876,875.20, 1,315,312.80 and 799,460.80 is: 1,199,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,875.20 : 1,315,312.80 = 799,460.80 : x
  2. Step 2: Convert to fraction form
    876,875.20/1,315,312.80 = 799,460.80/x
  3. Step 3: Cross multiply
    876,875.20x = 1,315,312.80 × 799,460.80
  4. Step 4: Simplify right side
    876,875.20x = 1,051,541,023,338.24
  5. Step 5: Solve for x
    x = 1,051,541,023,338.24/876,875.20
  6. Step 6: Final answer
    x = 1,199,191.20

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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.