Home / 1,948,052.48-2,923,435.20-685,981.76

Finding the Fourth Proportional to 1,948,052.48, 2,923,435.20 and 685,981.76

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Solution

The fourth proportional to 1,948,052.48, 2,923,435.20 and 685,981.76 is: 1,029,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,052.48 : 2,923,435.20 = 685,981.76 : x
  2. Step 2: Convert to fraction form
    1,948,052.48/2,923,435.20 = 685,981.76/x
  3. Step 3: Cross multiply
    1,948,052.48x = 2,923,435.20 × 685,981.76
  4. Step 4: Simplify right side
    1,948,052.48x = 2,005,423,223,741.95
  5. Step 5: Solve for x
    x = 2,005,423,223,741.95/1,948,052.48
  6. Step 6: Final answer
    x = 1,029,450.31

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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.