Home / 1,349,908.40-2,025,640.20-509,063.60

Finding the Fourth Proportional to 1,349,908.40, 2,025,640.20 and 509,063.60

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Solution

The fourth proportional to 1,349,908.40, 2,025,640.20 and 509,063.60 is: 763,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,908.40 : 2,025,640.20 = 509,063.60 : x
  2. Step 2: Convert to fraction form
    1,349,908.40/2,025,640.20 = 509,063.60/x
  3. Step 3: Cross multiply
    1,349,908.40x = 2,025,640.20 × 509,063.60
  4. Step 4: Simplify right side
    1,349,908.40x = 1,031,179,692,516.72
  5. Step 5: Solve for x
    x = 1,031,179,692,516.72/1,349,908.40
  6. Step 6: Final answer
    x = 763,888.64

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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.