Home / 1,047,564.11-1,571,330.61-289,388.81

Finding the Fourth Proportional to 1,047,564.11, 1,571,330.61 and 289,388.81

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Solution

The fourth proportional to 1,047,564.11, 1,571,330.61 and 289,388.81 is: 434,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,564.11 : 1,571,330.61 = 289,388.81 : x
  2. Step 2: Convert to fraction form
    1,047,564.11/1,571,330.61 = 289,388.81/x
  3. Step 3: Cross multiply
    1,047,564.11x = 1,571,330.61 × 289,388.81
  4. Step 4: Simplify right side
    1,047,564.11x = 454,725,499,272.80
  5. Step 5: Solve for x
    x = 454,725,499,272.80/1,047,564.11
  6. Step 6: Final answer
    x = 434,078.92

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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.