Home / 855,135.60-1,285,813.80-836,473.20

Finding the Fourth Proportional to 855,135.60, 1,285,813.80 and 836,473.20

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Solution

The fourth proportional to 855,135.60, 1,285,813.80 and 836,473.20 is: 1,257,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,135.60 : 1,285,813.80 = 836,473.20 : x
  2. Step 2: Convert to fraction form
    855,135.60/1,285,813.80 = 836,473.20/x
  3. Step 3: Cross multiply
    855,135.60x = 1,285,813.80 × 836,473.20
  4. Step 4: Simplify right side
    855,135.60x = 1,075,548,783,890.16
  5. Step 5: Solve for x
    x = 1,075,548,783,890.16/855,135.60
  6. Step 6: Final answer
    x = 1,257,752.32

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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.