Home / 855,563.60-1,285,246.20-715,595.60

Finding the Fourth Proportional to 855,563.60, 1,285,246.20 and 715,595.60

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Solution

The fourth proportional to 855,563.60, 1,285,246.20 and 715,595.60 is: 1,074,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,563.60 : 1,285,246.20 = 715,595.60 : x
  2. Step 2: Convert to fraction form
    855,563.60/1,285,246.20 = 715,595.60/x
  3. Step 3: Cross multiply
    855,563.60x = 1,285,246.20 × 715,595.60
  4. Step 4: Simplify right side
    855,563.60x = 919,716,525,636.72
  5. Step 5: Solve for x
    x = 919,716,525,636.72/855,563.60
  6. Step 6: Final answer
    x = 1,074,983.23

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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.