Home / 1,254,935.23-1,731,821.72-681,975.45

Finding the Fourth Proportional to 1,254,935.23, 1,731,821.72 and 681,975.45

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Solution

The fourth proportional to 1,254,935.23, 1,731,821.72 and 681,975.45 is: 941,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,935.23 : 1,731,821.72 = 681,975.45 : x
  2. Step 2: Convert to fraction form
    1,254,935.23/1,731,821.72 = 681,975.45/x
  3. Step 3: Cross multiply
    1,254,935.23x = 1,731,821.72 × 681,975.45
  4. Step 4: Simplify right side
    1,254,935.23x = 1,181,059,893,406.90
  5. Step 5: Solve for x
    x = 1,181,059,893,406.90/1,254,935.23
  6. Step 6: Final answer
    x = 941,132.15

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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.