Home / 1,755,295.82-2,421,400.42-1,111,089.76

Finding the Fourth Proportional to 1,755,295.82, 2,421,400.42 and 1,111,089.76

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Solution

The fourth proportional to 1,755,295.82, 2,421,400.42 and 1,111,089.76 is: 1,532,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,295.82 : 2,421,400.42 = 1,111,089.76 : x
  2. Step 2: Convert to fraction form
    1,755,295.82/2,421,400.42 = 1,111,089.76/x
  3. Step 3: Cross multiply
    1,755,295.82x = 2,421,400.42 × 1,111,089.76
  4. Step 4: Simplify right side
    1,755,295.82x = 2,690,393,211,521.70
  5. Step 5: Solve for x
    x = 2,690,393,211,521.70/1,755,295.82
  6. Step 6: Final answer
    x = 1,532,729.23

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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.