Home / 1,006,720.36-1,389,274.30-554,011.36

Finding the Fourth Proportional to 1,006,720.36, 1,389,274.30 and 554,011.36

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Solution

The fourth proportional to 1,006,720.36, 1,389,274.30 and 554,011.36 is: 764,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,720.36 : 1,389,274.30 = 554,011.36 : x
  2. Step 2: Convert to fraction form
    1,006,720.36/1,389,274.30 = 554,011.36/x
  3. Step 3: Cross multiply
    1,006,720.36x = 1,389,274.30 × 554,011.36
  4. Step 4: Simplify right side
    1,006,720.36x = 769,673,744,356.05
  5. Step 5: Solve for x
    x = 769,673,744,356.05/1,006,720.36
  6. Step 6: Final answer
    x = 764,535.79

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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.