Home / 1,435,469.71-2,153,204.58-424,512.94

Finding the Fourth Proportional to 1,435,469.71, 2,153,204.58 and 424,512.94

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Solution

The fourth proportional to 1,435,469.71, 2,153,204.58 and 424,512.94 is: 636,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,469.71 : 2,153,204.58 = 424,512.94 : x
  2. Step 2: Convert to fraction form
    1,435,469.71/2,153,204.58 = 424,512.94/x
  3. Step 3: Cross multiply
    1,435,469.71x = 2,153,204.58 × 424,512.94
  4. Step 4: Simplify right side
    1,435,469.71x = 914,063,206,677.27
  5. Step 5: Solve for x
    x = 914,063,206,677.27/1,435,469.71
  6. Step 6: Final answer
    x = 636,769.41

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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.