Home / 1,215,591.49-1,823,388.05-317,030.95

Finding the Fourth Proportional to 1,215,591.49, 1,823,388.05 and 317,030.95

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Solution

The fourth proportional to 1,215,591.49, 1,823,388.05 and 317,030.95 is: 475,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,591.49 : 1,823,388.05 = 317,030.95 : x
  2. Step 2: Convert to fraction form
    1,215,591.49/1,823,388.05 = 317,030.95/x
  3. Step 3: Cross multiply
    1,215,591.49x = 1,823,388.05 × 317,030.95
  4. Step 4: Simplify right side
    1,215,591.49x = 578,070,444,124.99
  5. Step 5: Solve for x
    x = 578,070,444,124.99/1,215,591.49
  6. Step 6: Final answer
    x = 475,546.64

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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.