Home / 1,126,719.12-1,688,897.67-416,294.04

Finding the Fourth Proportional to 1,126,719.12, 1,688,897.67 and 416,294.04

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Solution

The fourth proportional to 1,126,719.12, 1,688,897.67 and 416,294.04 is: 624,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,719.12 : 1,688,897.67 = 416,294.04 : x
  2. Step 2: Convert to fraction form
    1,126,719.12/1,688,897.67 = 416,294.04/x
  3. Step 3: Cross multiply
    1,126,719.12x = 1,688,897.67 × 416,294.04
  4. Step 4: Simplify right side
    1,126,719.12x = 703,078,034,190.89
  5. Step 5: Solve for x
    x = 703,078,034,190.89/1,126,719.12
  6. Step 6: Final answer
    x = 624,004.71

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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.