Home / 1,450,369.79-2,001,392.97-838,561.80

Finding the Fourth Proportional to 1,450,369.79, 2,001,392.97 and 838,561.80

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Solution

The fourth proportional to 1,450,369.79, 2,001,392.97 and 838,561.80 is: 1,157,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,369.79 : 2,001,392.97 = 838,561.80 : x
  2. Step 2: Convert to fraction form
    1,450,369.79/2,001,392.97 = 838,561.80/x
  3. Step 3: Cross multiply
    1,450,369.79x = 2,001,392.97 × 838,561.80
  4. Step 4: Simplify right side
    1,450,369.79x = 1,678,291,691,430.55
  5. Step 5: Solve for x
    x = 1,678,291,691,430.55/1,450,369.79
  6. Step 6: Final answer
    x = 1,157,147.45

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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.