Home / 1,208,691.88-1,812,840.80-355,564.06

Finding the Fourth Proportional to 1,208,691.88, 1,812,840.80 and 355,564.06

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Solution

The fourth proportional to 1,208,691.88, 1,812,840.80 and 355,564.06 is: 533,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,691.88 : 1,812,840.80 = 355,564.06 : x
  2. Step 2: Convert to fraction form
    1,208,691.88/1,812,840.80 = 355,564.06/x
  3. Step 3: Cross multiply
    1,208,691.88x = 1,812,840.80 × 355,564.06
  4. Step 4: Simplify right side
    1,208,691.88x = 644,581,028,671.73
  5. Step 5: Solve for x
    x = 644,581,028,671.73/1,208,691.88
  6. Step 6: Final answer
    x = 533,288.13

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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.