Home / 1,513,281.20-2,270,805-839,927.60

Finding the Fourth Proportional to 1,513,281.20, 2,270,805 and 839,927.60

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Solution

The fourth proportional to 1,513,281.20, 2,270,805 and 839,927.60 is: 1,260,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,281.20 : 2,270,805 = 839,927.60 : x
  2. Step 2: Convert to fraction form
    1,513,281.20/2,270,805 = 839,927.60/x
  3. Step 3: Cross multiply
    1,513,281.20x = 2,270,805 × 839,927.60
  4. Step 4: Simplify right side
    1,513,281.20x = 1,907,311,793,718
  5. Step 5: Solve for x
    x = 1,907,311,793,718/1,513,281.20
  6. Step 6: Final answer
    x = 1,260,381.61

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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.