Home / 1,422,564.30-1,963,167.38-778,025.94

Finding the Fourth Proportional to 1,422,564.30, 1,963,167.38 and 778,025.94

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Solution

The fourth proportional to 1,422,564.30, 1,963,167.38 and 778,025.94 is: 1,073,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,564.30 : 1,963,167.38 = 778,025.94 : x
  2. Step 2: Convert to fraction form
    1,422,564.30/1,963,167.38 = 778,025.94/x
  3. Step 3: Cross multiply
    1,422,564.30x = 1,963,167.38 × 778,025.94
  4. Step 4: Simplify right side
    1,422,564.30x = 1,527,395,146,201.84
  5. Step 5: Solve for x
    x = 1,527,395,146,201.84/1,422,564.30
  6. Step 6: Final answer
    x = 1,073,691.46

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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.