Home / 1,105,611.87-1,658,427.09-306,955.69

Finding the Fourth Proportional to 1,105,611.87, 1,658,427.09 and 306,955.69

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Solution

The fourth proportional to 1,105,611.87, 1,658,427.09 and 306,955.69 is: 460,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,611.87 : 1,658,427.09 = 306,955.69 : x
  2. Step 2: Convert to fraction form
    1,105,611.87/1,658,427.09 = 306,955.69/x
  3. Step 3: Cross multiply
    1,105,611.87x = 1,658,427.09 × 306,955.69
  4. Step 4: Simplify right side
    1,105,611.87x = 509,063,631,725.64
  5. Step 5: Solve for x
    x = 509,063,631,725.64/1,105,611.87
  6. Step 6: Final answer
    x = 460,436.11

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1.5x scale

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.