Home / 1,077,938.20-1,617,137.70-330,059.80

Finding the Fourth Proportional to 1,077,938.20, 1,617,137.70 and 330,059.80

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Solution

The fourth proportional to 1,077,938.20, 1,617,137.70 and 330,059.80 is: 495,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,938.20 : 1,617,137.70 = 330,059.80 : x
  2. Step 2: Convert to fraction form
    1,077,938.20/1,617,137.70 = 330,059.80/x
  3. Step 3: Cross multiply
    1,077,938.20x = 1,617,137.70 × 330,059.80
  4. Step 4: Simplify right side
    1,077,938.20x = 533,752,145,834.46
  5. Step 5: Solve for x
    x = 533,752,145,834.46/1,077,938.20
  6. Step 6: Final answer
    x = 495,160.25

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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.