Home / 1,211,444.10-1,817,166.15-1,188,116.10

Finding the Fourth Proportional to 1,211,444.10, 1,817,166.15 and 1,188,116.10

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Solution

The fourth proportional to 1,211,444.10, 1,817,166.15 and 1,188,116.10 is: 1,782,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,444.10 : 1,817,166.15 = 1,188,116.10 : x
  2. Step 2: Convert to fraction form
    1,211,444.10/1,817,166.15 = 1,188,116.10/x
  3. Step 3: Cross multiply
    1,211,444.10x = 1,817,166.15 × 1,188,116.10
  4. Step 4: Simplify right side
    1,211,444.10x = 2,159,004,359,190.02
  5. Step 5: Solve for x
    x = 2,159,004,359,190.02/1,211,444.10
  6. Step 6: Final answer
    x = 1,782,174.15

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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.