Home / 1,219,447.72-1,829,376.78-450,990.46

Finding the Fourth Proportional to 1,219,447.72, 1,829,376.78 and 450,990.46

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Solution

The fourth proportional to 1,219,447.72, 1,829,376.78 and 450,990.46 is: 676,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,447.72 : 1,829,376.78 = 450,990.46 : x
  2. Step 2: Convert to fraction form
    1,219,447.72/1,829,376.78 = 450,990.46/x
  3. Step 3: Cross multiply
    1,219,447.72x = 1,829,376.78 × 450,990.46
  4. Step 4: Simplify right side
    1,219,447.72x = 825,031,475,525.52
  5. Step 5: Solve for x
    x = 825,031,475,525.52/1,219,447.72
  6. Step 6: Final answer
    x = 676,561.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.