Home / 1,490,562.08-2,056,311.12-1,006,971.68

Finding the Fourth Proportional to 1,490,562.08, 2,056,311.12 and 1,006,971.68

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Solution

The fourth proportional to 1,490,562.08, 2,056,311.12 and 1,006,971.68 is: 1,389,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,562.08 : 2,056,311.12 = 1,006,971.68 : x
  2. Step 2: Convert to fraction form
    1,490,562.08/2,056,311.12 = 1,006,971.68/x
  3. Step 3: Cross multiply
    1,490,562.08x = 2,056,311.12 × 1,006,971.68
  4. Step 4: Simplify right side
    1,490,562.08x = 2,070,647,063,109.08
  5. Step 5: Solve for x
    x = 2,070,647,063,109.08/1,490,562.08
  6. Step 6: Final answer
    x = 1,389,171.97

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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.