Home / 1,056,809.20-1,585,213.80-846,857.20

Finding the Fourth Proportional to 1,056,809.20, 1,585,213.80 and 846,857.20

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Solution

The fourth proportional to 1,056,809.20, 1,585,213.80 and 846,857.20 is: 1,270,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,809.20 : 1,585,213.80 = 846,857.20 : x
  2. Step 2: Convert to fraction form
    1,056,809.20/1,585,213.80 = 846,857.20/x
  3. Step 3: Cross multiply
    1,056,809.20x = 1,585,213.80 × 846,857.20
  4. Step 4: Simplify right side
    1,056,809.20x = 1,342,449,720,069.36
  5. Step 5: Solve for x
    x = 1,342,449,720,069.36/1,056,809.20
  6. Step 6: Final answer
    x = 1,270,285.80

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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.