Home / 1,242,728.63-1,714,949.21-698,864.25

Finding the Fourth Proportional to 1,242,728.63, 1,714,949.21 and 698,864.25

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Solution

The fourth proportional to 1,242,728.63, 1,714,949.21 and 698,864.25 is: 964,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,728.63 : 1,714,949.21 = 698,864.25 : x
  2. Step 2: Convert to fraction form
    1,242,728.63/1,714,949.21 = 698,864.25/x
  3. Step 3: Cross multiply
    1,242,728.63x = 1,714,949.21 × 698,864.25
  4. Step 4: Simplify right side
    1,242,728.63x = 1,198,516,701,612.96
  5. Step 5: Solve for x
    x = 1,198,516,701,612.96/1,242,728.63
  6. Step 6: Final answer
    x = 964,423.51

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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.