Home / 1,355,850.54-1,871,950.25-840,151.69

Finding the Fourth Proportional to 1,355,850.54, 1,871,950.25 and 840,151.69

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Solution

The fourth proportional to 1,355,850.54, 1,871,950.25 and 840,151.69 is: 1,159,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,850.54 : 1,871,950.25 = 840,151.69 : x
  2. Step 2: Convert to fraction form
    1,355,850.54/1,871,950.25 = 840,151.69/x
  3. Step 3: Cross multiply
    1,355,850.54x = 1,871,950.25 × 840,151.69
  4. Step 4: Simplify right side
    1,355,850.54x = 1,572,722,163,553.93
  5. Step 5: Solve for x
    x = 1,572,722,163,553.93/1,355,850.54
  6. Step 6: Final answer
    x = 1,159,952.46

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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.