Home / 1,195,222.50-1,649,407.08-658,678.50

Finding the Fourth Proportional to 1,195,222.50, 1,649,407.08 and 658,678.50

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Solution

The fourth proportional to 1,195,222.50, 1,649,407.08 and 658,678.50 is: 908,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,222.50 : 1,649,407.08 = 658,678.50 : x
  2. Step 2: Convert to fraction form
    1,195,222.50/1,649,407.08 = 658,678.50/x
  3. Step 3: Cross multiply
    1,195,222.50x = 1,649,407.08 × 658,678.50
  4. Step 4: Simplify right side
    1,195,222.50x = 1,086,428,983,813.82
  5. Step 5: Solve for x
    x = 1,086,428,983,813.82/1,195,222.50
  6. Step 6: Final answer
    x = 908,976.35

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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.