Home / 1,540,521.88-2,125,922.06-842,811.47

Finding the Fourth Proportional to 1,540,521.88, 2,125,922.06 and 842,811.47

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Solution

The fourth proportional to 1,540,521.88, 2,125,922.06 and 842,811.47 is: 1,163,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,521.88 : 2,125,922.06 = 842,811.47 : x
  2. Step 2: Convert to fraction form
    1,540,521.88/2,125,922.06 = 842,811.47/x
  3. Step 3: Cross multiply
    1,540,521.88x = 2,125,922.06 × 842,811.47
  4. Step 4: Simplify right side
    1,540,521.88x = 1,791,751,495,943.65
  5. Step 5: Solve for x
    x = 1,791,751,495,943.65/1,540,521.88
  6. Step 6: Final answer
    x = 1,163,080.85

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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.