Home / 1,432,183.16-1,976,373.35-787,603.36

Finding the Fourth Proportional to 1,432,183.16, 1,976,373.35 and 787,603.36

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Solution

The fourth proportional to 1,432,183.16, 1,976,373.35 and 787,603.36 is: 1,086,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,183.16 : 1,976,373.35 = 787,603.36 : x
  2. Step 2: Convert to fraction form
    1,432,183.16/1,976,373.35 = 787,603.36/x
  3. Step 3: Cross multiply
    1,432,183.16x = 1,976,373.35 × 787,603.36
  4. Step 4: Simplify right side
    1,432,183.16x = 1,556,598,288,102.53
  5. Step 5: Solve for x
    x = 1,556,598,288,102.53/1,432,183.16
  6. Step 6: Final answer
    x = 1,086,870.96

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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.