Home / 1,211,137.12-1,817,060.95-358,231.25

Finding the Fourth Proportional to 1,211,137.12, 1,817,060.95 and 358,231.25

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Solution

The fourth proportional to 1,211,137.12, 1,817,060.95 and 358,231.25 is: 537,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,137.12 : 1,817,060.95 = 358,231.25 : x
  2. Step 2: Convert to fraction form
    1,211,137.12/1,817,060.95 = 358,231.25/x
  3. Step 3: Cross multiply
    1,211,137.12x = 1,817,060.95 × 358,231.25
  4. Step 4: Simplify right side
    1,211,137.12x = 650,928,015,444.69
  5. Step 5: Solve for x
    x = 650,928,015,444.69/1,211,137.12
  6. Step 6: Final answer
    x = 537,451.96

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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.