Home / 1,412,574.10-2,118,634.15-387,664.92

Finding the Fourth Proportional to 1,412,574.10, 2,118,634.15 and 387,664.92

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Solution

The fourth proportional to 1,412,574.10, 2,118,634.15 and 387,664.92 is: 581,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,574.10 : 2,118,634.15 = 387,664.92 : x
  2. Step 2: Convert to fraction form
    1,412,574.10/2,118,634.15 = 387,664.92/x
  3. Step 3: Cross multiply
    1,412,574.10x = 2,118,634.15 × 387,664.92
  4. Step 4: Simplify right side
    1,412,574.10x = 821,320,130,324.14
  5. Step 5: Solve for x
    x = 821,320,130,324.14/1,412,574.10
  6. Step 6: Final answer
    x = 581,435.08

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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.