Home / 1,137,611.25-1,706,697.55-338,889.69

Finding the Fourth Proportional to 1,137,611.25, 1,706,697.55 and 338,889.69

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Solution

The fourth proportional to 1,137,611.25, 1,706,697.55 and 338,889.69 is: 508,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,611.25 : 1,706,697.55 = 338,889.69 : x
  2. Step 2: Convert to fraction form
    1,137,611.25/1,706,697.55 = 338,889.69/x
  3. Step 3: Cross multiply
    1,137,611.25x = 1,706,697.55 × 338,889.69
  4. Step 4: Simplify right side
    1,137,611.25x = 578,382,201,948.81
  5. Step 5: Solve for x
    x = 578,382,201,948.81/1,137,611.25
  6. Step 6: Final answer
    x = 508,418.15

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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.