Home / 1,109,689.71-1,664,567.57-435,940.62

Finding the Fourth Proportional to 1,109,689.71, 1,664,567.57 and 435,940.62

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Solution

The fourth proportional to 1,109,689.71, 1,664,567.57 and 435,940.62 is: 653,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,689.71 : 1,664,567.57 = 435,940.62 : x
  2. Step 2: Convert to fraction form
    1,109,689.71/1,664,567.57 = 435,940.62/x
  3. Step 3: Cross multiply
    1,109,689.71x = 1,664,567.57 × 435,940.62
  4. Step 4: Simplify right side
    1,109,689.71x = 725,652,618,497.69
  5. Step 5: Solve for x
    x = 725,652,618,497.69/1,109,689.71
  6. Step 6: Final answer
    x = 653,923.90

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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.