Home / 1,309,911.15-1,807,548.71-736,939.02

Finding the Fourth Proportional to 1,309,911.15, 1,807,548.71 and 736,939.02

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Solution

The fourth proportional to 1,309,911.15, 1,807,548.71 and 736,939.02 is: 1,016,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,911.15 : 1,807,548.71 = 736,939.02 : x
  2. Step 2: Convert to fraction form
    1,309,911.15/1,807,548.71 = 736,939.02/x
  3. Step 3: Cross multiply
    1,309,911.15x = 1,807,548.71 × 736,939.02
  4. Step 4: Simplify right side
    1,309,911.15x = 1,332,053,171,264.97
  5. Step 5: Solve for x
    x = 1,332,053,171,264.97/1,309,911.15
  6. Step 6: Final answer
    x = 1,016,903.45

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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.