Home / 1,400,109.75-2,100,164.63-402,837.75

Finding the Fourth Proportional to 1,400,109.75, 2,100,164.63 and 402,837.75

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Solution

The fourth proportional to 1,400,109.75, 2,100,164.63 and 402,837.75 is: 604,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,109.75 : 2,100,164.63 = 402,837.75 : x
  2. Step 2: Convert to fraction form
    1,400,109.75/2,100,164.63 = 402,837.75/x
  3. Step 3: Cross multiply
    1,400,109.75x = 2,100,164.63 × 402,837.75
  4. Step 4: Simplify right side
    1,400,109.75x = 846,025,592,164.59
  5. Step 5: Solve for x
    x = 846,025,592,164.59/1,400,109.75
  6. Step 6: Final answer
    x = 604,256.63

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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.