Home / 1,111,633.44-1,663,464.12-962,387.16

Finding the Fourth Proportional to 1,111,633.44, 1,663,464.12 and 962,387.16

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Solution

The fourth proportional to 1,111,633.44, 1,663,464.12 and 962,387.16 is: 1,440,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,633.44 : 1,663,464.12 = 962,387.16 : x
  2. Step 2: Convert to fraction form
    1,111,633.44/1,663,464.12 = 962,387.16/x
  3. Step 3: Cross multiply
    1,111,633.44x = 1,663,464.12 × 962,387.16
  4. Step 4: Simplify right side
    1,111,633.44x = 1,600,896,510,208.70
  5. Step 5: Solve for x
    x = 1,600,896,510,208.70/1,111,633.44
  6. Step 6: Final answer
    x = 1,440,129.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.