Home / 1,320,294.87-1,822,050.32-747,322.74

Finding the Fourth Proportional to 1,320,294.87, 1,822,050.32 and 747,322.74

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Solution

The fourth proportional to 1,320,294.87, 1,822,050.32 and 747,322.74 is: 1,031,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,294.87 : 1,822,050.32 = 747,322.74 : x
  2. Step 2: Convert to fraction form
    1,320,294.87/1,822,050.32 = 747,322.74/x
  3. Step 3: Cross multiply
    1,320,294.87x = 1,822,050.32 × 747,322.74
  4. Step 4: Simplify right side
    1,320,294.87x = 1,361,659,633,823.66
  5. Step 5: Solve for x
    x = 1,361,659,633,823.66/1,320,294.87
  6. Step 6: Final answer
    x = 1,031,329.94

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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.