Home / 1,321,480.50-1,823,488.38-777,496.65

Finding the Fourth Proportional to 1,321,480.50, 1,823,488.38 and 777,496.65

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Solution

The fourth proportional to 1,321,480.50, 1,823,488.38 and 777,496.65 is: 1,072,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,480.50 : 1,823,488.38 = 777,496.65 : x
  2. Step 2: Convert to fraction form
    1,321,480.50/1,823,488.38 = 777,496.65/x
  3. Step 3: Cross multiply
    1,321,480.50x = 1,823,488.38 × 777,496.65
  4. Step 4: Simplify right side
    1,321,480.50x = 1,417,756,106,763.93
  5. Step 5: Solve for x
    x = 1,417,756,106,763.93/1,321,480.50
  6. Step 6: Final answer
    x = 1,072,854.35

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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.