Home / 1,245,908.80-1,719,370.08-736,606.72

Finding the Fourth Proportional to 1,245,908.80, 1,719,370.08 and 736,606.72

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Solution

The fourth proportional to 1,245,908.80, 1,719,370.08 and 736,606.72 is: 1,016,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,908.80 : 1,719,370.08 = 736,606.72 : x
  2. Step 2: Convert to fraction form
    1,245,908.80/1,719,370.08 = 736,606.72/x
  3. Step 3: Cross multiply
    1,245,908.80x = 1,719,370.08 × 736,606.72
  4. Step 4: Simplify right side
    1,245,908.80x = 1,266,499,555,094.94
  5. Step 5: Solve for x
    x = 1,266,499,555,094.94/1,245,908.80
  6. Step 6: Final answer
    x = 1,016,526.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.