Home / 1,438,909.46-1,985,643.01-794,315.82

Finding the Fourth Proportional to 1,438,909.46, 1,985,643.01 and 794,315.82

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Solution

The fourth proportional to 1,438,909.46, 1,985,643.01 and 794,315.82 is: 1,096,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,909.46 : 1,985,643.01 = 794,315.82 : x
  2. Step 2: Convert to fraction form
    1,438,909.46/1,985,643.01 = 794,315.82/x
  3. Step 3: Cross multiply
    1,438,909.46x = 1,985,643.01 × 794,315.82
  4. Step 4: Simplify right side
    1,438,909.46x = 1,577,227,655,715.42
  5. Step 5: Solve for x
    x = 1,577,227,655,715.42/1,438,909.46
  6. Step 6: Final answer
    x = 1,096,127.10

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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.