Home / 1,253,849.76-1,731,214.08-771,063.84

Finding the Fourth Proportional to 1,253,849.76, 1,731,214.08 and 771,063.84

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Solution

The fourth proportional to 1,253,849.76, 1,731,214.08 and 771,063.84 is: 1,064,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,849.76 : 1,731,214.08 = 771,063.84 : x
  2. Step 2: Convert to fraction form
    1,253,849.76/1,731,214.08 = 771,063.84/x
  3. Step 3: Cross multiply
    1,253,849.76x = 1,731,214.08 × 771,063.84
  4. Step 4: Simplify right side
    1,253,849.76x = 1,334,876,576,386.87
  5. Step 5: Solve for x
    x = 1,334,876,576,386.87/1,253,849.76
  6. Step 6: Final answer
    x = 1,064,622.43

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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.