Home / 1,699,768.80-2,544,404.40-987,681.60

Finding the Fourth Proportional to 1,699,768.80, 2,544,404.40 and 987,681.60

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Solution

The fourth proportional to 1,699,768.80, 2,544,404.40 and 987,681.60 is: 1,478,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,768.80 : 2,544,404.40 = 987,681.60 : x
  2. Step 2: Convert to fraction form
    1,699,768.80/2,544,404.40 = 987,681.60/x
  3. Step 3: Cross multiply
    1,699,768.80x = 2,544,404.40 × 987,681.60
  4. Step 4: Simplify right side
    1,699,768.80x = 2,513,061,408,839.04
  5. Step 5: Solve for x
    x = 2,513,061,408,839.04/1,699,768.80
  6. Step 6: Final answer
    x = 1,478,472.49

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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.