Home / 1,102,010-1,520,652.12-618,464.24

Finding the Fourth Proportional to 1,102,010, 1,520,652.12 and 618,464.24

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Solution

The fourth proportional to 1,102,010, 1,520,652.12 and 618,464.24 is: 853,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,010 : 1,520,652.12 = 618,464.24 : x
  2. Step 2: Convert to fraction form
    1,102,010/1,520,652.12 = 618,464.24/x
  3. Step 3: Cross multiply
    1,102,010x = 1,520,652.12 × 618,464.24
  4. Step 4: Simplify right side
    1,102,010x = 940,468,957,700.19
  5. Step 5: Solve for x
    x = 940,468,957,700.19/1,102,010
  6. Step 6: Final answer
    x = 853,412.36

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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.