Home / 1,220,508.95-1,684,342.08-676,695.33

Finding the Fourth Proportional to 1,220,508.95, 1,684,342.08 and 676,695.33

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Solution

The fourth proportional to 1,220,508.95, 1,684,342.08 and 676,695.33 is: 933,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,508.95 : 1,684,342.08 = 676,695.33 : x
  2. Step 2: Convert to fraction form
    1,220,508.95/1,684,342.08 = 676,695.33/x
  3. Step 3: Cross multiply
    1,220,508.95x = 1,684,342.08 × 676,695.33
  4. Step 4: Simplify right side
    1,220,508.95x = 1,139,786,419,658.49
  5. Step 5: Solve for x
    x = 1,139,786,419,658.49/1,220,508.95
  6. Step 6: Final answer
    x = 933,861.59

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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.