Home / 1,337,431.54-1,845,655.32-764,484.02

Finding the Fourth Proportional to 1,337,431.54, 1,845,655.32 and 764,484.02

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Solution

The fourth proportional to 1,337,431.54, 1,845,655.32 and 764,484.02 is: 1,054,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,431.54 : 1,845,655.32 = 764,484.02 : x
  2. Step 2: Convert to fraction form
    1,337,431.54/1,845,655.32 = 764,484.02/x
  3. Step 3: Cross multiply
    1,337,431.54x = 1,845,655.32 × 764,484.02
  4. Step 4: Simplify right side
    1,337,431.54x = 1,410,973,998,567.99
  5. Step 5: Solve for x
    x = 1,410,973,998,567.99/1,337,431.54
  6. Step 6: Final answer
    x = 1,054,987.83

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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.