Home / 1,531,034.82-2,290,935.48-1,277,689.92

Finding the Fourth Proportional to 1,531,034.82, 2,290,935.48 and 1,277,689.92

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Solution

The fourth proportional to 1,531,034.82, 2,290,935.48 and 1,277,689.92 is: 1,911,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,034.82 : 2,290,935.48 = 1,277,689.92 : x
  2. Step 2: Convert to fraction form
    1,531,034.82/2,290,935.48 = 1,277,689.92/x
  3. Step 3: Cross multiply
    1,531,034.82x = 2,290,935.48 × 1,277,689.92
  4. Step 4: Simplify right side
    1,531,034.82x = 2,927,105,170,166.36
  5. Step 5: Solve for x
    x = 2,927,105,170,166.36/1,531,034.82
  6. Step 6: Final answer
    x = 1,911,847.55

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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.