Home / 1,335,484.53-1,842,928.61-762,412.77

Finding the Fourth Proportional to 1,335,484.53, 1,842,928.61 and 762,412.77

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Solution

The fourth proportional to 1,335,484.53, 1,842,928.61 and 762,412.77 is: 1,052,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,484.53 : 1,842,928.61 = 762,412.77 : x
  2. Step 2: Convert to fraction form
    1,335,484.53/1,842,928.61 = 762,412.77/x
  3. Step 3: Cross multiply
    1,335,484.53x = 1,842,928.61 × 762,412.77
  4. Step 4: Simplify right side
    1,335,484.53x = 1,405,072,302,650.29
  5. Step 5: Solve for x
    x = 1,405,072,302,650.29/1,335,484.53
  6. Step 6: Final answer
    x = 1,052,106.76

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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.