Home / 1,340,412.30-2,010,618.45-773,541.90

Finding the Fourth Proportional to 1,340,412.30, 2,010,618.45 and 773,541.90

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Solution

The fourth proportional to 1,340,412.30, 2,010,618.45 and 773,541.90 is: 1,160,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,412.30 : 2,010,618.45 = 773,541.90 : x
  2. Step 2: Convert to fraction form
    1,340,412.30/2,010,618.45 = 773,541.90/x
  3. Step 3: Cross multiply
    1,340,412.30x = 2,010,618.45 × 773,541.90
  4. Step 4: Simplify right side
    1,340,412.30x = 1,555,297,615,988.06
  5. Step 5: Solve for x
    x = 1,555,297,615,988.06/1,340,412.30
  6. Step 6: Final answer
    x = 1,160,312.85

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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.