Home / 1,389,399.58-2,084,060.49-442,827.10

Finding the Fourth Proportional to 1,389,399.58, 2,084,060.49 and 442,827.10

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Solution

The fourth proportional to 1,389,399.58, 2,084,060.49 and 442,827.10 is: 664,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,399.58 : 2,084,060.49 = 442,827.10 : x
  2. Step 2: Convert to fraction form
    1,389,399.58/2,084,060.49 = 442,827.10/x
  3. Step 3: Cross multiply
    1,389,399.58x = 2,084,060.49 × 442,827.10
  4. Step 4: Simplify right side
    1,389,399.58x = 922,878,463,011.28
  5. Step 5: Solve for x
    x = 922,878,463,011.28/1,389,399.58
  6. Step 6: Final answer
    x = 664,228.26

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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.