Home / 1,166,412.80-1,750,310.40-768,195.20

Finding the Fourth Proportional to 1,166,412.80, 1,750,310.40 and 768,195.20

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Solution

The fourth proportional to 1,166,412.80, 1,750,310.40 and 768,195.20 is: 1,152,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,412.80 : 1,750,310.40 = 768,195.20 : x
  2. Step 2: Convert to fraction form
    1,166,412.80/1,750,310.40 = 768,195.20/x
  3. Step 3: Cross multiply
    1,166,412.80x = 1,750,310.40 × 768,195.20
  4. Step 4: Simplify right side
    1,166,412.80x = 1,344,580,047,790.08
  5. Step 5: Solve for x
    x = 1,344,580,047,790.08/1,166,412.80
  6. Step 6: Final answer
    x = 1,152,748.02

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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.