Home / 1,301,428.40-1,951,962.60-403,487.60

Finding the Fourth Proportional to 1,301,428.40, 1,951,962.60 and 403,487.60

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Solution

The fourth proportional to 1,301,428.40, 1,951,962.60 and 403,487.60 is: 605,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,428.40 : 1,951,962.60 = 403,487.60 : x
  2. Step 2: Convert to fraction form
    1,301,428.40/1,951,962.60 = 403,487.60/x
  3. Step 3: Cross multiply
    1,301,428.40x = 1,951,962.60 × 403,487.60
  4. Step 4: Simplify right side
    1,301,428.40x = 787,592,704,763.76
  5. Step 5: Solve for x
    x = 787,592,704,763.76/1,301,428.40
  6. Step 6: Final answer
    x = 605,175.59

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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.