Home / 1,202,003.70-1,803,005.55-1,148,859.60

Finding the Fourth Proportional to 1,202,003.70, 1,803,005.55 and 1,148,859.60

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Solution

The fourth proportional to 1,202,003.70, 1,803,005.55 and 1,148,859.60 is: 1,723,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,003.70 : 1,803,005.55 = 1,148,859.60 : x
  2. Step 2: Convert to fraction form
    1,202,003.70/1,803,005.55 = 1,148,859.60/x
  3. Step 3: Cross multiply
    1,202,003.70x = 1,803,005.55 × 1,148,859.60
  4. Step 4: Simplify right side
    1,202,003.70x = 2,071,400,234,970.78
  5. Step 5: Solve for x
    x = 2,071,400,234,970.78/1,202,003.70
  6. Step 6: Final answer
    x = 1,723,289.40

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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.