Home / 1,340,808.80-2,011,213.20-773,938.40

Finding the Fourth Proportional to 1,340,808.80, 2,011,213.20 and 773,938.40

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Solution

The fourth proportional to 1,340,808.80, 2,011,213.20 and 773,938.40 is: 1,160,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,808.80 : 2,011,213.20 = 773,938.40 : x
  2. Step 2: Convert to fraction form
    1,340,808.80/2,011,213.20 = 773,938.40/x
  3. Step 3: Cross multiply
    1,340,808.80x = 2,011,213.20 × 773,938.40
  4. Step 4: Simplify right side
    1,340,808.80x = 1,556,555,126,066.88
  5. Step 5: Solve for x
    x = 1,556,555,126,066.88/1,340,808.80
  6. Step 6: Final answer
    x = 1,160,907.60

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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.