Home / 1,552,485.88-2,142,454.70-864,165.29

Finding the Fourth Proportional to 1,552,485.88, 2,142,454.70 and 864,165.29

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Solution

The fourth proportional to 1,552,485.88, 2,142,454.70 and 864,165.29 is: 1,192,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,485.88 : 2,142,454.70 = 864,165.29 : x
  2. Step 2: Convert to fraction form
    1,552,485.88/2,142,454.70 = 864,165.29/x
  3. Step 3: Cross multiply
    1,552,485.88x = 2,142,454.70 × 864,165.29
  4. Step 4: Simplify right side
    1,552,485.88x = 1,851,434,994,653.91
  5. Step 5: Solve for x
    x = 1,851,434,994,653.91/1,552,485.88
  6. Step 6: Final answer
    x = 1,192,561.57

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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.