Home / 1,365,665.64-1,884,618.78-753,818.53

Finding the Fourth Proportional to 1,365,665.64, 1,884,618.78 and 753,818.53

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Solution

The fourth proportional to 1,365,665.64, 1,884,618.78 and 753,818.53 is: 1,040,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,665.64 : 1,884,618.78 = 753,818.53 : x
  2. Step 2: Convert to fraction form
    1,365,665.64/1,884,618.78 = 753,818.53/x
  3. Step 3: Cross multiply
    1,365,665.64x = 1,884,618.78 × 753,818.53
  4. Step 4: Simplify right side
    1,365,665.64x = 1,420,660,558,349.99
  5. Step 5: Solve for x
    x = 1,420,660,558,349.99/1,365,665.64
  6. Step 6: Final answer
    x = 1,040,269.68

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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.