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Finding the Fourth Proportional to 1,295,904.30, 1,943,856.45 and 729,033.90

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Solution

The fourth proportional to 1,295,904.30, 1,943,856.45 and 729,033.90 is: 1,093,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,904.30 : 1,943,856.45 = 729,033.90 : x
  2. Step 2: Convert to fraction form
    1,295,904.30/1,943,856.45 = 729,033.90/x
  3. Step 3: Cross multiply
    1,295,904.30x = 1,943,856.45 × 729,033.90
  4. Step 4: Simplify right side
    1,295,904.30x = 1,417,137,248,783.66
  5. Step 5: Solve for x
    x = 1,417,137,248,783.66/1,295,904.30
  6. Step 6: Final answer
    x = 1,093,550.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.