Home / 1,005,808.63-1,388,023.11-546,919.91

Finding the Fourth Proportional to 1,005,808.63, 1,388,023.11 and 546,919.91

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Solution

The fourth proportional to 1,005,808.63, 1,388,023.11 and 546,919.91 is: 754,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,808.63 : 1,388,023.11 = 546,919.91 : x
  2. Step 2: Convert to fraction form
    1,005,808.63/1,388,023.11 = 546,919.91/x
  3. Step 3: Cross multiply
    1,005,808.63x = 1,388,023.11 × 546,919.91
  4. Step 4: Simplify right side
    1,005,808.63x = 759,137,474,399.12
  5. Step 5: Solve for x
    x = 759,137,474,399.12/1,005,808.63
  6. Step 6: Final answer
    x = 754,753.39

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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.