Home / 1,438,891.81-1,985,671.02-794,312.44

Finding the Fourth Proportional to 1,438,891.81, 1,985,671.02 and 794,312.44

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Solution

The fourth proportional to 1,438,891.81, 1,985,671.02 and 794,312.44 is: 1,096,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,891.81 : 1,985,671.02 = 794,312.44 : x
  2. Step 2: Convert to fraction form
    1,438,891.81/1,985,671.02 = 794,312.44/x
  3. Step 3: Cross multiply
    1,438,891.81x = 1,985,671.02 × 794,312.44
  4. Step 4: Simplify right side
    1,438,891.81x = 1,577,243,192,933.49
  5. Step 5: Solve for x
    x = 1,577,243,192,933.49/1,438,891.81
  6. Step 6: Final answer
    x = 1,096,151.35

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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.