Home / 1,307,207.42-1,803,990-726,455.02

Finding the Fourth Proportional to 1,307,207.42, 1,803,990 and 726,455.02

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Solution

The fourth proportional to 1,307,207.42, 1,803,990 and 726,455.02 is: 1,002,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,207.42 : 1,803,990 = 726,455.02 : x
  2. Step 2: Convert to fraction form
    1,307,207.42/1,803,990 = 726,455.02/x
  3. Step 3: Cross multiply
    1,307,207.42x = 1,803,990 × 726,455.02
  4. Step 4: Simplify right side
    1,307,207.42x = 1,310,517,591,529.80
  5. Step 5: Solve for x
    x = 1,310,517,591,529.80/1,307,207.42
  6. Step 6: Final answer
    x = 1,002,532.25

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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.