Home / 1,294,004.75-1,785,859.43-777,925.71

Finding the Fourth Proportional to 1,294,004.75, 1,785,859.43 and 777,925.71

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Solution

The fourth proportional to 1,294,004.75, 1,785,859.43 and 777,925.71 is: 1,073,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,004.75 : 1,785,859.43 = 777,925.71 : x
  2. Step 2: Convert to fraction form
    1,294,004.75/1,785,859.43 = 777,925.71/x
  3. Step 3: Cross multiply
    1,294,004.75x = 1,785,859.43 × 777,925.71
  4. Step 4: Simplify right side
    1,294,004.75x = 1,389,265,961,153.32
  5. Step 5: Solve for x
    x = 1,389,265,961,153.32/1,294,004.75
  6. Step 6: Final answer
    x = 1,073,617.36

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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.