Home / 1,211,135.87-1,817,059.07-358,230

Finding the Fourth Proportional to 1,211,135.87, 1,817,059.07 and 358,230

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Solution

The fourth proportional to 1,211,135.87, 1,817,059.07 and 358,230 is: 537,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,135.87 : 1,817,059.07 = 358,230 : x
  2. Step 2: Convert to fraction form
    1,211,135.87/1,817,059.07 = 358,230/x
  3. Step 3: Cross multiply
    1,211,135.87x = 1,817,059.07 × 358,230
  4. Step 4: Simplify right side
    1,211,135.87x = 650,925,071,541.68
  5. Step 5: Solve for x
    x = 650,925,071,541.68/1,211,135.87
  6. Step 6: Final answer
    x = 537,450.08

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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.