Home / 1,020,434.42-1,530,589.66-380,614.82

Finding the Fourth Proportional to 1,020,434.42, 1,530,589.66 and 380,614.82

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Solution

The fourth proportional to 1,020,434.42, 1,530,589.66 and 380,614.82 is: 570,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,434.42 : 1,530,589.66 = 380,614.82 : x
  2. Step 2: Convert to fraction form
    1,020,434.42/1,530,589.66 = 380,614.82/x
  3. Step 3: Cross multiply
    1,020,434.42x = 1,530,589.66 × 380,614.82
  4. Step 4: Simplify right side
    1,020,434.42x = 582,565,107,934.76
  5. Step 5: Solve for x
    x = 582,565,107,934.76/1,020,434.42
  6. Step 6: Final answer
    x = 570,899.12

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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.