Home / 1,073,985.19-1,481,730.75-665,940.20

Finding the Fourth Proportional to 1,073,985.19, 1,481,730.75 and 665,940.20

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Solution

The fourth proportional to 1,073,985.19, 1,481,730.75 and 665,940.20 is: 918,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,985.19 : 1,481,730.75 = 665,940.20 : x
  2. Step 2: Convert to fraction form
    1,073,985.19/1,481,730.75 = 665,940.20/x
  3. Step 3: Cross multiply
    1,073,985.19x = 1,481,730.75 × 665,940.20
  4. Step 4: Simplify right side
    1,073,985.19x = 986,744,064,967.12
  5. Step 5: Solve for x
    x = 986,744,064,967.12/1,073,985.19
  6. Step 6: Final answer
    x = 918,768.78

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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.