Home / 1,406,006.75-2,109,369.77-408,734.75

Finding the Fourth Proportional to 1,406,006.75, 2,109,369.77 and 408,734.75

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Solution

The fourth proportional to 1,406,006.75, 2,109,369.77 and 408,734.75 is: 613,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,006.75 : 2,109,369.77 = 408,734.75 : x
  2. Step 2: Convert to fraction form
    1,406,006.75/2,109,369.77 = 408,734.75/x
  3. Step 3: Cross multiply
    1,406,006.75x = 2,109,369.77 × 408,734.75
  4. Step 4: Simplify right side
    1,406,006.75x = 862,172,725,598.51
  5. Step 5: Solve for x
    x = 862,172,725,598.51/1,406,006.75
  6. Step 6: Final answer
    x = 613,206.68

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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.