Home / 1,660,640.10-2,490,960.15-538,709.10

Finding the Fourth Proportional to 1,660,640.10, 2,490,960.15 and 538,709.10

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Solution

The fourth proportional to 1,660,640.10, 2,490,960.15 and 538,709.10 is: 808,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,640.10 : 2,490,960.15 = 538,709.10 : x
  2. Step 2: Convert to fraction form
    1,660,640.10/2,490,960.15 = 538,709.10/x
  3. Step 3: Cross multiply
    1,660,640.10x = 2,490,960.15 × 538,709.10
  4. Step 4: Simplify right side
    1,660,640.10x = 1,341,902,900,542.37
  5. Step 5: Solve for x
    x = 1,341,902,900,542.37/1,660,640.10
  6. Step 6: Final answer
    x = 808,063.65

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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.