Home / 1,307,312.56-1,804,287.72-798,308.56

Finding the Fourth Proportional to 1,307,312.56, 1,804,287.72 and 798,308.56

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Solution

The fourth proportional to 1,307,312.56, 1,804,287.72 and 798,308.56 is: 1,101,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,312.56 : 1,804,287.72 = 798,308.56 : x
  2. Step 2: Convert to fraction form
    1,307,312.56/1,804,287.72 = 798,308.56/x
  3. Step 3: Cross multiply
    1,307,312.56x = 1,804,287.72 × 798,308.56
  4. Step 4: Simplify right side
    1,307,312.56x = 1,440,378,331,578.88
  5. Step 5: Solve for x
    x = 1,440,378,331,578.88/1,307,312.56
  6. Step 6: Final answer
    x = 1,101,785.74

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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.