Home / 778,373.56-1,165,285.68-703,665.64

Finding the Fourth Proportional to 778,373.56, 1,165,285.68 and 703,665.64

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Solution

The fourth proportional to 778,373.56, 1,165,285.68 and 703,665.64 is: 1,053,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,373.56 : 1,165,285.68 = 703,665.64 : x
  2. Step 2: Convert to fraction form
    778,373.56/1,165,285.68 = 703,665.64/x
  3. Step 3: Cross multiply
    778,373.56x = 1,165,285.68 × 703,665.64
  4. Step 4: Simplify right side
    778,373.56x = 819,971,493,800.04
  5. Step 5: Solve for x
    x = 819,971,493,800.04/778,373.56
  6. Step 6: Final answer
    x = 1,053,442.12

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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.