Home / 1,126,253.64-1,689,432.36-416,149.32

Finding the Fourth Proportional to 1,126,253.64, 1,689,432.36 and 416,149.32

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Solution

The fourth proportional to 1,126,253.64, 1,689,432.36 and 416,149.32 is: 624,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,253.64 : 1,689,432.36 = 416,149.32 : x
  2. Step 2: Convert to fraction form
    1,126,253.64/1,689,432.36 = 416,149.32/x
  3. Step 3: Cross multiply
    1,126,253.64x = 1,689,432.36 × 416,149.32
  4. Step 4: Simplify right side
    1,126,253.64x = 703,056,127,800.00
  5. Step 5: Solve for x
    x = 703,056,127,800.00/1,126,253.64
  6. Step 6: Final answer
    x = 624,243.16

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1.5x scale

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.