Home / 1,301,443.40-1,951,985.10-403,502.60

Finding the Fourth Proportional to 1,301,443.40, 1,951,985.10 and 403,502.60

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Solution

The fourth proportional to 1,301,443.40, 1,951,985.10 and 403,502.60 is: 605,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,443.40 : 1,951,985.10 = 403,502.60 : x
  2. Step 2: Convert to fraction form
    1,301,443.40/1,951,985.10 = 403,502.60/x
  3. Step 3: Cross multiply
    1,301,443.40x = 1,951,985.10 × 403,502.60
  4. Step 4: Simplify right side
    1,301,443.40x = 787,631,063,011.26
  5. Step 5: Solve for x
    x = 787,631,063,011.26/1,301,443.40
  6. Step 6: Final answer
    x = 605,198.09

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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.