Home / 1,118,371.46-1,543,396.30-634,981.58

Finding the Fourth Proportional to 1,118,371.46, 1,543,396.30 and 634,981.58

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Solution

The fourth proportional to 1,118,371.46, 1,543,396.30 and 634,981.58 is: 876,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,371.46 : 1,543,396.30 = 634,981.58 : x
  2. Step 2: Convert to fraction form
    1,118,371.46/1,543,396.30 = 634,981.58/x
  3. Step 3: Cross multiply
    1,118,371.46x = 1,543,396.30 × 634,981.58
  4. Step 4: Simplify right side
    1,118,371.46x = 980,028,221,140.15
  5. Step 5: Solve for x
    x = 980,028,221,140.15/1,118,371.46
  6. Step 6: Final answer
    x = 876,299.39

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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.