Home / 1,264,785.69-1,745,360.56-721,096.58

Finding the Fourth Proportional to 1,264,785.69, 1,745,360.56 and 721,096.58

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Solution

The fourth proportional to 1,264,785.69, 1,745,360.56 and 721,096.58 is: 995,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,785.69 : 1,745,360.56 = 721,096.58 : x
  2. Step 2: Convert to fraction form
    1,264,785.69/1,745,360.56 = 721,096.58/x
  3. Step 3: Cross multiply
    1,264,785.69x = 1,745,360.56 × 721,096.58
  4. Step 4: Simplify right side
    1,264,785.69x = 1,258,573,526,130.00
  5. Step 5: Solve for x
    x = 1,258,573,526,130.00/1,264,785.69
  6. Step 6: Final answer
    x = 995,088.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.