Home / 1,307,696.05-1,961,507.80-348,159.88

Finding the Fourth Proportional to 1,307,696.05, 1,961,507.80 and 348,159.88

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Solution

The fourth proportional to 1,307,696.05, 1,961,507.80 and 348,159.88 is: 522,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,696.05 : 1,961,507.80 = 348,159.88 : x
  2. Step 2: Convert to fraction form
    1,307,696.05/1,961,507.80 = 348,159.88/x
  3. Step 3: Cross multiply
    1,307,696.05x = 1,961,507.80 × 348,159.88
  4. Step 4: Simplify right side
    1,307,696.05x = 682,918,320,267.06
  5. Step 5: Solve for x
    x = 682,918,320,267.06/1,307,696.05
  6. Step 6: Final answer
    x = 522,230.16

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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.