Home / 1,427,582.72-1,970,535.20-1,276,246.58

Finding the Fourth Proportional to 1,427,582.72, 1,970,535.20 and 1,276,246.58

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Solution

The fourth proportional to 1,427,582.72, 1,970,535.20 and 1,276,246.58 is: 1,761,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,582.72 : 1,970,535.20 = 1,276,246.58 : x
  2. Step 2: Convert to fraction form
    1,427,582.72/1,970,535.20 = 1,276,246.58/x
  3. Step 3: Cross multiply
    1,427,582.72x = 1,970,535.20 × 1,276,246.58
  4. Step 4: Simplify right side
    1,427,582.72x = 2,514,888,793,535.71
  5. Step 5: Solve for x
    x = 2,514,888,793,535.71/1,427,582.72
  6. Step 6: Final answer
    x = 1,761,641.38

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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.