Home / 1,271,237.59-1,907,118.83-372,708.64

Finding the Fourth Proportional to 1,271,237.59, 1,907,118.83 and 372,708.64

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Solution

The fourth proportional to 1,271,237.59, 1,907,118.83 and 372,708.64 is: 559,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,237.59 : 1,907,118.83 = 372,708.64 : x
  2. Step 2: Convert to fraction form
    1,271,237.59/1,907,118.83 = 372,708.64/x
  3. Step 3: Cross multiply
    1,271,237.59x = 1,907,118.83 × 372,708.64
  4. Step 4: Simplify right side
    1,271,237.59x = 710,799,665,447.69
  5. Step 5: Solve for x
    x = 710,799,665,447.69/1,271,237.59
  6. Step 6: Final answer
    x = 559,139.91

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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.