Home / 1,540,263.48-2,124,912.74-1,031,129.88

Finding the Fourth Proportional to 1,540,263.48, 2,124,912.74 and 1,031,129.88

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Solution

The fourth proportional to 1,540,263.48, 2,124,912.74 and 1,031,129.88 is: 1,422,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,263.48 : 2,124,912.74 = 1,031,129.88 : x
  2. Step 2: Convert to fraction form
    1,540,263.48/2,124,912.74 = 1,031,129.88/x
  3. Step 3: Cross multiply
    1,540,263.48x = 2,124,912.74 × 1,031,129.88
  4. Step 4: Simplify right side
    1,540,263.48x = 2,191,061,013,451.02
  5. Step 5: Solve for x
    x = 2,191,061,013,451.02/1,540,263.48
  6. Step 6: Final answer
    x = 1,422,523.51

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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.