Home / 1,006,648.36-1,389,117-553,939.36

Finding the Fourth Proportional to 1,006,648.36, 1,389,117 and 553,939.36

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Solution

The fourth proportional to 1,006,648.36, 1,389,117 and 553,939.36 is: 764,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,648.36 : 1,389,117 = 553,939.36 : x
  2. Step 2: Convert to fraction form
    1,006,648.36/1,389,117 = 553,939.36/x
  3. Step 3: Cross multiply
    1,006,648.36x = 1,389,117 × 553,939.36
  4. Step 4: Simplify right side
    1,006,648.36x = 769,486,581,945.12
  5. Step 5: Solve for x
    x = 769,486,581,945.12/1,006,648.36
  6. Step 6: Final answer
    x = 764,404.55

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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.