Home / 1,255,001.42-1,731,264.35-819,673.82

Finding the Fourth Proportional to 1,255,001.42, 1,731,264.35 and 819,673.82

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Solution

The fourth proportional to 1,255,001.42, 1,731,264.35 and 819,673.82 is: 1,130,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,001.42 : 1,731,264.35 = 819,673.82 : x
  2. Step 2: Convert to fraction form
    1,255,001.42/1,731,264.35 = 819,673.82/x
  3. Step 3: Cross multiply
    1,255,001.42x = 1,731,264.35 × 819,673.82
  4. Step 4: Simplify right side
    1,255,001.42x = 1,419,072,050,439.63
  5. Step 5: Solve for x
    x = 1,419,072,050,439.63/1,255,001.42
  6. Step 6: Final answer
    x = 1,130,733.43

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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.