Home / 1,208,606.60-1,812,909.90-907,456.70

Finding the Fourth Proportional to 1,208,606.60, 1,812,909.90 and 907,456.70

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Solution

The fourth proportional to 1,208,606.60, 1,812,909.90 and 907,456.70 is: 1,361,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,606.60 : 1,812,909.90 = 907,456.70 : x
  2. Step 2: Convert to fraction form
    1,208,606.60/1,812,909.90 = 907,456.70/x
  3. Step 3: Cross multiply
    1,208,606.60x = 1,812,909.90 × 907,456.70
  4. Step 4: Simplify right side
    1,208,606.60x = 1,645,137,235,251.33
  5. Step 5: Solve for x
    x = 1,645,137,235,251.33/1,208,606.60
  6. Step 6: Final answer
    x = 1,361,185.05

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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.