Home / 1,458,415.80-2,011,805.10-854,687.16

Finding the Fourth Proportional to 1,458,415.80, 2,011,805.10 and 854,687.16

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Solution

The fourth proportional to 1,458,415.80, 2,011,805.10 and 854,687.16 is: 1,178,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,415.80 : 2,011,805.10 = 854,687.16 : x
  2. Step 2: Convert to fraction form
    1,458,415.80/2,011,805.10 = 854,687.16/x
  3. Step 3: Cross multiply
    1,458,415.80x = 2,011,805.10 × 854,687.16
  4. Step 4: Simplify right side
    1,458,415.80x = 1,719,463,987,392.52
  5. Step 5: Solve for x
    x = 1,719,463,987,392.52/1,458,415.80
  6. Step 6: Final answer
    x = 1,178,994.35

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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.