Home / 1,126,714.23-1,688,890.37-416,289.15

Finding the Fourth Proportional to 1,126,714.23, 1,688,890.37 and 416,289.15

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Solution

The fourth proportional to 1,126,714.23, 1,688,890.37 and 416,289.15 is: 623,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,714.23 : 1,688,890.37 = 416,289.15 : x
  2. Step 2: Convert to fraction form
    1,126,714.23/1,688,890.37 = 416,289.15/x
  3. Step 3: Cross multiply
    1,126,714.23x = 1,688,890.37 × 416,289.15
  4. Step 4: Simplify right side
    1,126,714.23x = 703,066,734,489.04
  5. Step 5: Solve for x
    x = 703,066,734,489.04/1,126,714.23
  6. Step 6: Final answer
    x = 623,997.39

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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.