Home / 1,109,688.71-1,664,566.07-435,939.62

Finding the Fourth Proportional to 1,109,688.71, 1,664,566.07 and 435,939.62

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Solution

The fourth proportional to 1,109,688.71, 1,664,566.07 and 435,939.62 is: 653,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,688.71 : 1,664,566.07 = 435,939.62 : x
  2. Step 2: Convert to fraction form
    1,109,688.71/1,664,566.07 = 435,939.62/x
  3. Step 3: Cross multiply
    1,109,688.71x = 1,664,566.07 × 435,939.62
  4. Step 4: Simplify right side
    1,109,688.71x = 725,650,289,518.17
  5. Step 5: Solve for x
    x = 725,650,289,518.17/1,109,688.71
  6. Step 6: Final answer
    x = 653,922.39

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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.