Home / 1,338,712.68-2,007,642.96-439,945.32

Finding the Fourth Proportional to 1,338,712.68, 2,007,642.96 and 439,945.32

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Solution

The fourth proportional to 1,338,712.68, 2,007,642.96 and 439,945.32 is: 659,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,712.68 : 2,007,642.96 = 439,945.32 : x
  2. Step 2: Convert to fraction form
    1,338,712.68/2,007,642.96 = 439,945.32/x
  3. Step 3: Cross multiply
    1,338,712.68x = 2,007,642.96 × 439,945.32
  4. Step 4: Simplify right side
    1,338,712.68x = 883,253,124,482.95
  5. Step 5: Solve for x
    x = 883,253,124,482.95/1,338,712.68
  6. Step 6: Final answer
    x = 659,777.96

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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.