Home / 1,006,720.05-1,389,273.87-554,011.05

Finding the Fourth Proportional to 1,006,720.05, 1,389,273.87 and 554,011.05

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Solution

The fourth proportional to 1,006,720.05, 1,389,273.87 and 554,011.05 is: 764,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,720.05 : 1,389,273.87 = 554,011.05 : x
  2. Step 2: Convert to fraction form
    1,006,720.05/1,389,273.87 = 554,011.05/x
  3. Step 3: Cross multiply
    1,006,720.05x = 1,389,273.87 × 554,011.05
  4. Step 4: Simplify right side
    1,006,720.05x = 769,673,075,456.26
  5. Step 5: Solve for x
    x = 769,673,075,456.26/1,006,720.05
  6. Step 6: Final answer
    x = 764,535.36

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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.