Home / 1,272,373.48-1,908,568.38-373,811.56

Finding the Fourth Proportional to 1,272,373.48, 1,908,568.38 and 373,811.56

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Solution

The fourth proportional to 1,272,373.48, 1,908,568.38 and 373,811.56 is: 560,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,373.48 : 1,908,568.38 = 373,811.56 : x
  2. Step 2: Convert to fraction form
    1,272,373.48/1,908,568.38 = 373,811.56/x
  3. Step 3: Cross multiply
    1,272,373.48x = 1,908,568.38 × 373,811.56
  4. Step 4: Simplify right side
    1,272,373.48x = 713,444,923,494.47
  5. Step 5: Solve for x
    x = 713,444,923,494.47/1,272,373.48
  6. Step 6: Final answer
    x = 560,719.74

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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.