Home / 1,239,404.40-1,859,068.20-352,940.40

Finding the Fourth Proportional to 1,239,404.40, 1,859,068.20 and 352,940.40

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Solution

The fourth proportional to 1,239,404.40, 1,859,068.20 and 352,940.40 is: 529,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,404.40 : 1,859,068.20 = 352,940.40 : x
  2. Step 2: Convert to fraction form
    1,239,404.40/1,859,068.20 = 352,940.40/x
  3. Step 3: Cross multiply
    1,239,404.40x = 1,859,068.20 × 352,940.40
  4. Step 4: Simplify right side
    1,239,404.40x = 656,140,274,135.28
  5. Step 5: Solve for x
    x = 656,140,274,135.28/1,239,404.40
  6. Step 6: Final answer
    x = 529,399.66

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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.