Home / 1,080,537.32-1,620,875.10-415,689.32

Finding the Fourth Proportional to 1,080,537.32, 1,620,875.10 and 415,689.32

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Solution

The fourth proportional to 1,080,537.32, 1,620,875.10 and 415,689.32 is: 623,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,537.32 : 1,620,875.10 = 415,689.32 : x
  2. Step 2: Convert to fraction form
    1,080,537.32/1,620,875.10 = 415,689.32/x
  3. Step 3: Cross multiply
    1,080,537.32x = 1,620,875.10 × 415,689.32
  4. Step 4: Simplify right side
    1,080,537.32x = 673,780,468,123.93
  5. Step 5: Solve for x
    x = 673,780,468,123.93/1,080,537.32
  6. Step 6: Final answer
    x = 623,560.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.