Home / 1,007,081.48-1,389,803.75-548,226.60

Finding the Fourth Proportional to 1,007,081.48, 1,389,803.75 and 548,226.60

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Solution

The fourth proportional to 1,007,081.48, 1,389,803.75 and 548,226.60 is: 756,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,081.48 : 1,389,803.75 = 548,226.60 : x
  2. Step 2: Convert to fraction form
    1,007,081.48/1,389,803.75 = 548,226.60/x
  3. Step 3: Cross multiply
    1,007,081.48x = 1,389,803.75 × 548,226.60
  4. Step 4: Simplify right side
    1,007,081.48x = 761,927,384,529.75
  5. Step 5: Solve for x
    x = 761,927,384,529.75/1,007,081.48
  6. Step 6: Final answer
    x = 756,569.75

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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.