Home / 1,150,188.26-1,587,308.37-640,890.50

Finding the Fourth Proportional to 1,150,188.26, 1,587,308.37 and 640,890.50

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Solution

The fourth proportional to 1,150,188.26, 1,587,308.37 and 640,890.50 is: 884,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,188.26 : 1,587,308.37 = 640,890.50 : x
  2. Step 2: Convert to fraction form
    1,150,188.26/1,587,308.37 = 640,890.50/x
  3. Step 3: Cross multiply
    1,150,188.26x = 1,587,308.37 × 640,890.50
  4. Step 4: Simplify right side
    1,150,188.26x = 1,017,290,854,903.49
  5. Step 5: Solve for x
    x = 1,017,290,854,903.49/1,150,188.26
  6. Step 6: Final answer
    x = 884,455.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.