Home / 1,389,398.58-2,084,058.99-442,826.10

Finding the Fourth Proportional to 1,389,398.58, 2,084,058.99 and 442,826.10

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Solution

The fourth proportional to 1,389,398.58, 2,084,058.99 and 442,826.10 is: 664,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,398.58 : 2,084,058.99 = 442,826.10 : x
  2. Step 2: Convert to fraction form
    1,389,398.58/2,084,058.99 = 442,826.10/x
  3. Step 3: Cross multiply
    1,389,398.58x = 2,084,058.99 × 442,826.10
  4. Step 4: Simplify right side
    1,389,398.58x = 922,875,714,711.64
  5. Step 5: Solve for x
    x = 922,875,714,711.64/1,389,398.58
  6. Step 6: Final answer
    x = 664,226.76

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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.