Home / 1,338,547.88-2,007,067.28-439,748.28

Finding the Fourth Proportional to 1,338,547.88, 2,007,067.28 and 439,748.28

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Solution

The fourth proportional to 1,338,547.88, 2,007,067.28 and 439,748.28 is: 659,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,547.88 : 2,007,067.28 = 439,748.28 : x
  2. Step 2: Convert to fraction form
    1,338,547.88/2,007,067.28 = 439,748.28/x
  3. Step 3: Cross multiply
    1,338,547.88x = 2,007,067.28 × 439,748.28
  4. Step 4: Simplify right side
    1,338,547.88x = 882,604,389,552.04
  5. Step 5: Solve for x
    x = 882,604,389,552.04/1,338,547.88
  6. Step 6: Final answer
    x = 659,374.54

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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.