Home / 1,090,361.17-1,635,542.16-490,621.78

Finding the Fourth Proportional to 1,090,361.17, 1,635,542.16 and 490,621.78

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Solution

The fourth proportional to 1,090,361.17, 1,635,542.16 and 490,621.78 is: 735,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,361.17 : 1,635,542.16 = 490,621.78 : x
  2. Step 2: Convert to fraction form
    1,090,361.17/1,635,542.16 = 490,621.78/x
  3. Step 3: Cross multiply
    1,090,361.17x = 1,635,542.16 × 490,621.78
  4. Step 4: Simplify right side
    1,090,361.17x = 802,432,605,804.25
  5. Step 5: Solve for x
    x = 802,432,605,804.25/1,090,361.17
  6. Step 6: Final answer
    x = 735,932.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.