Home / 1,004,438.75-1,386,135.55-545,562.30

Finding the Fourth Proportional to 1,004,438.75, 1,386,135.55 and 545,562.30

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Solution

The fourth proportional to 1,004,438.75, 1,386,135.55 and 545,562.30 is: 752,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,438.75 : 1,386,135.55 = 545,562.30 : x
  2. Step 2: Convert to fraction form
    1,004,438.75/1,386,135.55 = 545,562.30/x
  3. Step 3: Cross multiply
    1,004,438.75x = 1,386,135.55 × 545,562.30
  4. Step 4: Simplify right side
    1,004,438.75x = 756,223,298,226.56
  5. Step 5: Solve for x
    x = 756,223,298,226.56/1,004,438.75
  6. Step 6: Final answer
    x = 752,881.44

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Double scale
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1.5x scale

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.