Home / 1,420,484.38-1,959,782.19-808,483.86

Finding the Fourth Proportional to 1,420,484.38, 1,959,782.19 and 808,483.86

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Solution

The fourth proportional to 1,420,484.38, 1,959,782.19 and 808,483.86 is: 1,115,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,484.38 : 1,959,782.19 = 808,483.86 : x
  2. Step 2: Convert to fraction form
    1,420,484.38/1,959,782.19 = 808,483.86/x
  3. Step 3: Cross multiply
    1,420,484.38x = 1,959,782.19 × 808,483.86
  4. Step 4: Simplify right side
    1,420,484.38x = 1,584,452,278,595.54
  5. Step 5: Solve for x
    x = 1,584,452,278,595.54/1,420,484.38
  6. Step 6: Final answer
    x = 1,115,430.98

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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.