Home / 1,254,519.89-1,731,244.20-771,400.70

Finding the Fourth Proportional to 1,254,519.89, 1,731,244.20 and 771,400.70

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Solution

The fourth proportional to 1,254,519.89, 1,731,244.20 and 771,400.70 is: 1,064,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,519.89 : 1,731,244.20 = 771,400.70 : x
  2. Step 2: Convert to fraction form
    1,254,519.89/1,731,244.20 = 771,400.70/x
  3. Step 3: Cross multiply
    1,254,519.89x = 1,731,244.20 × 771,400.70
  4. Step 4: Simplify right side
    1,254,519.89x = 1,335,482,987,750.94
  5. Step 5: Solve for x
    x = 1,335,482,987,750.94/1,254,519.89
  6. Step 6: Final answer
    x = 1,064,537.12

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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.