Home / 1,078,354.12-1,617,472.86-330,402.28

Finding the Fourth Proportional to 1,078,354.12, 1,617,472.86 and 330,402.28

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Solution

The fourth proportional to 1,078,354.12, 1,617,472.86 and 330,402.28 is: 495,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,354.12 : 1,617,472.86 = 330,402.28 : x
  2. Step 2: Convert to fraction form
    1,078,354.12/1,617,472.86 = 330,402.28/x
  3. Step 3: Cross multiply
    1,078,354.12x = 1,617,472.86 × 330,402.28
  4. Step 4: Simplify right side
    1,078,354.12x = 534,416,720,782.12
  5. Step 5: Solve for x
    x = 534,416,720,782.12/1,078,354.12
  6. Step 6: Final answer
    x = 495,585.55

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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.