Home / 1,165,220.64-1,608,777.84-730,291.68

Finding the Fourth Proportional to 1,165,220.64, 1,608,777.84 and 730,291.68

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Solution

The fourth proportional to 1,165,220.64, 1,608,777.84 and 730,291.68 is: 1,008,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,220.64 : 1,608,777.84 = 730,291.68 : x
  2. Step 2: Convert to fraction form
    1,165,220.64/1,608,777.84 = 730,291.68/x
  3. Step 3: Cross multiply
    1,165,220.64x = 1,608,777.84 × 730,291.68
  4. Step 4: Simplify right side
    1,165,220.64x = 1,174,877,071,520.37
  5. Step 5: Solve for x
    x = 1,174,877,071,520.37/1,165,220.64
  6. Step 6: Final answer
    x = 1,008,287.21

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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.