Home / 1,124,208.96-1,686,335.40-413,871.36

Finding the Fourth Proportional to 1,124,208.96, 1,686,335.40 and 413,871.36

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Solution

The fourth proportional to 1,124,208.96, 1,686,335.40 and 413,871.36 is: 620,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,208.96 : 1,686,335.40 = 413,871.36 : x
  2. Step 2: Convert to fraction form
    1,124,208.96/1,686,335.40 = 413,871.36/x
  3. Step 3: Cross multiply
    1,124,208.96x = 1,686,335.40 × 413,871.36
  4. Step 4: Simplify right side
    1,124,208.96x = 697,925,925,414.14
  5. Step 5: Solve for x
    x = 697,925,925,414.14/1,124,208.96
  6. Step 6: Final answer
    x = 620,815.12

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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.