Home / 792,138.40-1,184,751.60-708,503.20

Finding the Fourth Proportional to 792,138.40, 1,184,751.60 and 708,503.20

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Solution

The fourth proportional to 792,138.40, 1,184,751.60 and 708,503.20 is: 1,059,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,138.40 : 1,184,751.60 = 708,503.20 : x
  2. Step 2: Convert to fraction form
    792,138.40/1,184,751.60 = 708,503.20/x
  3. Step 3: Cross multiply
    792,138.40x = 1,184,751.60 × 708,503.20
  4. Step 4: Simplify right side
    792,138.40x = 839,400,299,805.12
  5. Step 5: Solve for x
    x = 839,400,299,805.12/792,138.40
  6. Step 6: Final answer
    x = 1,059,663.69

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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.