Home / 1,260,704-1,739,771.52-687,746.48

Finding the Fourth Proportional to 1,260,704, 1,739,771.52 and 687,746.48

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Solution

The fourth proportional to 1,260,704, 1,739,771.52 and 687,746.48 is: 949,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,704 : 1,739,771.52 = 687,746.48 : x
  2. Step 2: Convert to fraction form
    1,260,704/1,739,771.52 = 687,746.48/x
  3. Step 3: Cross multiply
    1,260,704x = 1,739,771.52 × 687,746.48
  4. Step 4: Simplify right side
    1,260,704x = 1,196,521,738,884.25
  5. Step 5: Solve for x
    x = 1,196,521,738,884.25/1,260,704
  6. Step 6: Final answer
    x = 949,090.14

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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.