Home / 1,102,937.08-1,521,665.58-721,187.32

Finding the Fourth Proportional to 1,102,937.08, 1,521,665.58 and 721,187.32

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Solution

The fourth proportional to 1,102,937.08, 1,521,665.58 and 721,187.32 is: 994,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,937.08 : 1,521,665.58 = 721,187.32 : x
  2. Step 2: Convert to fraction form
    1,102,937.08/1,521,665.58 = 721,187.32/x
  3. Step 3: Cross multiply
    1,102,937.08x = 1,521,665.58 × 721,187.32
  4. Step 4: Simplify right side
    1,102,937.08x = 1,097,405,921,576.45
  5. Step 5: Solve for x
    x = 1,097,405,921,576.45/1,102,937.08
  6. Step 6: Final answer
    x = 994,985.06

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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.