Home / 1,276,291.31-1,914,769.06-477,634.55

Finding the Fourth Proportional to 1,276,291.31, 1,914,769.06 and 477,634.55

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Solution

The fourth proportional to 1,276,291.31, 1,914,769.06 and 477,634.55 is: 716,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,291.31 : 1,914,769.06 = 477,634.55 : x
  2. Step 2: Convert to fraction form
    1,276,291.31/1,914,769.06 = 477,634.55/x
  3. Step 3: Cross multiply
    1,276,291.31x = 1,914,769.06 × 477,634.55
  4. Step 4: Simplify right side
    1,276,291.31x = 914,559,847,559.09
  5. Step 5: Solve for x
    x = 914,559,847,559.09/1,276,291.31
  6. Step 6: Final answer
    x = 716,576.10

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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.