Home / 1,273,047.35-1,756,851.54-729,288.23

Finding the Fourth Proportional to 1,273,047.35, 1,756,851.54 and 729,288.23

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Solution

The fourth proportional to 1,273,047.35, 1,756,851.54 and 729,288.23 is: 1,006,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,047.35 : 1,756,851.54 = 729,288.23 : x
  2. Step 2: Convert to fraction form
    1,273,047.35/1,756,851.54 = 729,288.23/x
  3. Step 3: Cross multiply
    1,273,047.35x = 1,756,851.54 × 729,288.23
  4. Step 4: Simplify right side
    1,273,047.35x = 1,281,251,154,371.50
  5. Step 5: Solve for x
    x = 1,281,251,154,371.50/1,273,047.35
  6. Step 6: Final answer
    x = 1,006,444.22

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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.