Home / 1,071,239.78-1,606,869.08-272,522.18

Finding the Fourth Proportional to 1,071,239.78, 1,606,869.08 and 272,522.18

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Solution

The fourth proportional to 1,071,239.78, 1,606,869.08 and 272,522.18 is: 408,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,239.78 : 1,606,869.08 = 272,522.18 : x
  2. Step 2: Convert to fraction form
    1,071,239.78/1,606,869.08 = 272,522.18/x
  3. Step 3: Cross multiply
    1,071,239.78x = 1,606,869.08 × 272,522.18
  4. Step 4: Simplify right side
    1,071,239.78x = 437,907,455,259.24
  5. Step 5: Solve for x
    x = 437,907,455,259.24/1,071,239.78
  6. Step 6: Final answer
    x = 408,785.66

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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.