Home / 1,433,369.53-1,978,050.28-788,789.73

Finding the Fourth Proportional to 1,433,369.53, 1,978,050.28 and 788,789.73

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Solution

The fourth proportional to 1,433,369.53, 1,978,050.28 and 788,789.73 is: 1,088,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,369.53 : 1,978,050.28 = 788,789.73 : x
  2. Step 2: Convert to fraction form
    1,433,369.53/1,978,050.28 = 788,789.73/x
  3. Step 3: Cross multiply
    1,433,369.53x = 1,978,050.28 × 788,789.73
  4. Step 4: Simplify right side
    1,433,369.53x = 1,560,265,740,356.51
  5. Step 5: Solve for x
    x = 1,560,265,740,356.51/1,433,369.53
  6. Step 6: Final answer
    x = 1,088,530.00

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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.