Home / 1,426,904.22-2,137,504.55-857,973.79

Finding the Fourth Proportional to 1,426,904.22, 2,137,504.55 and 857,973.79

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Solution

The fourth proportional to 1,426,904.22, 2,137,504.55 and 857,973.79 is: 1,285,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,904.22 : 2,137,504.55 = 857,973.79 : x
  2. Step 2: Convert to fraction form
    1,426,904.22/2,137,504.55 = 857,973.79/x
  3. Step 3: Cross multiply
    1,426,904.22x = 2,137,504.55 × 857,973.79
  4. Step 4: Simplify right side
    1,426,904.22x = 1,833,922,866,264.29
  5. Step 5: Solve for x
    x = 1,833,922,866,264.29/1,426,904.22
  6. Step 6: Final answer
    x = 1,285,245.95

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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.