Home / 1,220,595.82-1,684,419.23-676,717.67

Finding the Fourth Proportional to 1,220,595.82, 1,684,419.23 and 676,717.67

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Solution

The fourth proportional to 1,220,595.82, 1,684,419.23 and 676,717.67 is: 933,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,595.82 : 1,684,419.23 = 676,717.67 : x
  2. Step 2: Convert to fraction form
    1,220,595.82/1,684,419.23 = 676,717.67/x
  3. Step 3: Cross multiply
    1,220,595.82x = 1,684,419.23 × 676,717.67
  4. Step 4: Simplify right side
    1,220,595.82x = 1,139,876,262,531.64
  5. Step 5: Solve for x
    x = 1,139,876,262,531.64/1,220,595.82
  6. Step 6: Final answer
    x = 933,868.73

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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.