Home / 1,263,488.90-1,895,332.71-422,043.62

Finding the Fourth Proportional to 1,263,488.90, 1,895,332.71 and 422,043.62

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Solution

The fourth proportional to 1,263,488.90, 1,895,332.71 and 422,043.62 is: 633,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,488.90 : 1,895,332.71 = 422,043.62 : x
  2. Step 2: Convert to fraction form
    1,263,488.90/1,895,332.71 = 422,043.62/x
  3. Step 3: Cross multiply
    1,263,488.90x = 1,895,332.71 × 422,043.62
  4. Step 4: Simplify right side
    1,263,488.90x = 799,913,078,032.81
  5. Step 5: Solve for x
    x = 799,913,078,032.81/1,263,488.90
  6. Step 6: Final answer
    x = 633,098.62

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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.