Home / 1,068,651.75-1,474,721.55-578,617.32

Finding the Fourth Proportional to 1,068,651.75, 1,474,721.55 and 578,617.32

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Solution

The fourth proportional to 1,068,651.75, 1,474,721.55 and 578,617.32 is: 798,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,651.75 : 1,474,721.55 = 578,617.32 : x
  2. Step 2: Convert to fraction form
    1,068,651.75/1,474,721.55 = 578,617.32/x
  3. Step 3: Cross multiply
    1,068,651.75x = 1,474,721.55 × 578,617.32
  4. Step 4: Simplify right side
    1,068,651.75x = 853,299,431,007.25
  5. Step 5: Solve for x
    x = 853,299,431,007.25/1,068,651.75
  6. Step 6: Final answer
    x = 798,482.23

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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.