Home / 1,569,863.20-2,354,794.80-387,911.20

Finding the Fourth Proportional to 1,569,863.20, 2,354,794.80 and 387,911.20

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Solution

The fourth proportional to 1,569,863.20, 2,354,794.80 and 387,911.20 is: 581,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,863.20 : 2,354,794.80 = 387,911.20 : x
  2. Step 2: Convert to fraction form
    1,569,863.20/2,354,794.80 = 387,911.20/x
  3. Step 3: Cross multiply
    1,569,863.20x = 2,354,794.80 × 387,911.20
  4. Step 4: Simplify right side
    1,569,863.20x = 913,451,276,621.76
  5. Step 5: Solve for x
    x = 913,451,276,621.76/1,569,863.20
  6. Step 6: Final answer
    x = 581,866.80

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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.