Home / 1,400,108.50-2,100,162.75-402,836.50

Finding the Fourth Proportional to 1,400,108.50, 2,100,162.75 and 402,836.50

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Solution

The fourth proportional to 1,400,108.50, 2,100,162.75 and 402,836.50 is: 604,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,108.50 : 2,100,162.75 = 402,836.50 : x
  2. Step 2: Convert to fraction form
    1,400,108.50/2,100,162.75 = 402,836.50/x
  3. Step 3: Cross multiply
    1,400,108.50x = 2,100,162.75 × 402,836.50
  4. Step 4: Simplify right side
    1,400,108.50x = 846,022,211,640.38
  5. Step 5: Solve for x
    x = 846,022,211,640.38/1,400,108.50
  6. Step 6: Final answer
    x = 604,254.75

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Similar ratio
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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.