Home / 1,071,239.76-1,606,869.06-272,522.16

Finding the Fourth Proportional to 1,071,239.76, 1,606,869.06 and 272,522.16

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Solution

The fourth proportional to 1,071,239.76, 1,606,869.06 and 272,522.16 is: 408,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,239.76 : 1,606,869.06 = 272,522.16 : x
  2. Step 2: Convert to fraction form
    1,071,239.76/1,606,869.06 = 272,522.16/x
  3. Step 3: Cross multiply
    1,071,239.76x = 1,606,869.06 × 272,522.16
  4. Step 4: Simplify right side
    1,071,239.76x = 437,907,427,068.37
  5. Step 5: Solve for x
    x = 437,907,427,068.37/1,071,239.76
  6. Step 6: Final answer
    x = 408,785.64

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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.