Home / 1,307,114.79-1,803,782.42-726,322.92

Finding the Fourth Proportional to 1,307,114.79, 1,803,782.42 and 726,322.92

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Solution

The fourth proportional to 1,307,114.79, 1,803,782.42 and 726,322.92 is: 1,002,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,114.79 : 1,803,782.42 = 726,322.92 : x
  2. Step 2: Convert to fraction form
    1,307,114.79/1,803,782.42 = 726,322.92/x
  3. Step 3: Cross multiply
    1,307,114.79x = 1,803,782.42 × 726,322.92
  4. Step 4: Simplify right side
    1,307,114.79x = 1,310,128,510,707.45
  5. Step 5: Solve for x
    x = 1,310,128,510,707.45/1,307,114.79
  6. Step 6: Final answer
    x = 1,002,305.63

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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.