Home / 1,108,939.80-1,663,404.84-434,544.60

Finding the Fourth Proportional to 1,108,939.80, 1,663,404.84 and 434,544.60

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Solution

The fourth proportional to 1,108,939.80, 1,663,404.84 and 434,544.60 is: 651,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,939.80 : 1,663,404.84 = 434,544.60 : x
  2. Step 2: Convert to fraction form
    1,108,939.80/1,663,404.84 = 434,544.60/x
  3. Step 3: Cross multiply
    1,108,939.80x = 1,663,404.84 × 434,544.60
  4. Step 4: Simplify right side
    1,108,939.80x = 722,823,590,835.86
  5. Step 5: Solve for x
    x = 722,823,590,835.86/1,108,939.80
  6. Step 6: Final answer
    x = 651,815.00

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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.