Home / 1,405,948.80-2,108,923.20-927,651.90

Finding the Fourth Proportional to 1,405,948.80, 2,108,923.20 and 927,651.90

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Solution

The fourth proportional to 1,405,948.80, 2,108,923.20 and 927,651.90 is: 1,391,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,948.80 : 2,108,923.20 = 927,651.90 : x
  2. Step 2: Convert to fraction form
    1,405,948.80/2,108,923.20 = 927,651.90/x
  3. Step 3: Cross multiply
    1,405,948.80x = 2,108,923.20 × 927,651.90
  4. Step 4: Simplify right side
    1,405,948.80x = 1,956,346,613,434.08
  5. Step 5: Solve for x
    x = 1,956,346,613,434.08/1,405,948.80
  6. Step 6: Final answer
    x = 1,391,477.85

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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.