Home / 1,552,485.63-2,142,454.36-864,165.05

Finding the Fourth Proportional to 1,552,485.63, 2,142,454.36 and 864,165.05

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Solution

The fourth proportional to 1,552,485.63, 2,142,454.36 and 864,165.05 is: 1,192,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,485.63 : 2,142,454.36 = 864,165.05 : x
  2. Step 2: Convert to fraction form
    1,552,485.63/2,142,454.36 = 864,165.05/x
  3. Step 3: Cross multiply
    1,552,485.63x = 2,142,454.36 × 864,165.05
  4. Step 4: Simplify right side
    1,552,485.63x = 1,851,434,168,419.85
  5. Step 5: Solve for x
    x = 1,851,434,168,419.85/1,552,485.63
  6. Step 6: Final answer
    x = 1,192,561.23

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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.