Home / 1,107,381.07-1,659,775.80-508,400.04

Finding the Fourth Proportional to 1,107,381.07, 1,659,775.80 and 508,400.04

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Solution

The fourth proportional to 1,107,381.07, 1,659,775.80 and 508,400.04 is: 762,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,381.07 : 1,659,775.80 = 508,400.04 : x
  2. Step 2: Convert to fraction form
    1,107,381.07/1,659,775.80 = 508,400.04/x
  3. Step 3: Cross multiply
    1,107,381.07x = 1,659,775.80 × 508,400.04
  4. Step 4: Simplify right side
    1,107,381.07x = 843,830,083,111.03
  5. Step 5: Solve for x
    x = 843,830,083,111.03/1,107,381.07
  6. Step 6: Final answer
    x = 762,005.16

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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.