Home / 842,909.80-1,264,364.70-837,004.90

Finding the Fourth Proportional to 842,909.80, 1,264,364.70 and 837,004.90

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Solution

The fourth proportional to 842,909.80, 1,264,364.70 and 837,004.90 is: 1,255,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,909.80 : 1,264,364.70 = 837,004.90 : x
  2. Step 2: Convert to fraction form
    842,909.80/1,264,364.70 = 837,004.90/x
  3. Step 3: Cross multiply
    842,909.80x = 1,264,364.70 × 837,004.90
  4. Step 4: Simplify right side
    842,909.80x = 1,058,279,449,287.03
  5. Step 5: Solve for x
    x = 1,058,279,449,287.03/842,909.80
  6. Step 6: Final answer
    x = 1,255,507.35

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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.