Home / 1,419,802.16-1,959,331.08-775,227.92

Finding the Fourth Proportional to 1,419,802.16, 1,959,331.08 and 775,227.92

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Solution

The fourth proportional to 1,419,802.16, 1,959,331.08 and 775,227.92 is: 1,069,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,802.16 : 1,959,331.08 = 775,227.92 : x
  2. Step 2: Convert to fraction form
    1,419,802.16/1,959,331.08 = 775,227.92/x
  3. Step 3: Cross multiply
    1,419,802.16x = 1,959,331.08 × 775,227.92
  4. Step 4: Simplify right side
    1,419,802.16x = 1,518,928,157,739.75
  5. Step 5: Solve for x
    x = 1,518,928,157,739.75/1,419,802.16
  6. Step 6: Final answer
    x = 1,069,816.77

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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.