Home / 1,073,980.39-1,481,724.12-665,935.33

Finding the Fourth Proportional to 1,073,980.39, 1,481,724.12 and 665,935.33

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Solution

The fourth proportional to 1,073,980.39, 1,481,724.12 and 665,935.33 is: 918,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,980.39 : 1,481,724.12 = 665,935.33 : x
  2. Step 2: Convert to fraction form
    1,073,980.39/1,481,724.12 = 665,935.33/x
  3. Step 3: Cross multiply
    1,073,980.39x = 1,481,724.12 × 665,935.33
  4. Step 4: Simplify right side
    1,073,980.39x = 986,732,440,821.16
  5. Step 5: Solve for x
    x = 986,732,440,821.16/1,073,980.39
  6. Step 6: Final answer
    x = 918,762.06

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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.