Home / 1,500,114.25-2,070,157.67-821,050.75

Finding the Fourth Proportional to 1,500,114.25, 2,070,157.67 and 821,050.75

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Solution

The fourth proportional to 1,500,114.25, 2,070,157.67 and 821,050.75 is: 1,133,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,114.25 : 2,070,157.67 = 821,050.75 : x
  2. Step 2: Convert to fraction form
    1,500,114.25/2,070,157.67 = 821,050.75/x
  3. Step 3: Cross multiply
    1,500,114.25x = 2,070,157.67 × 821,050.75
  4. Step 4: Simplify right side
    1,500,114.25x = 1,699,704,507,571.75
  5. Step 5: Solve for x
    x = 1,699,704,507,571.75/1,500,114.25
  6. Step 6: Final answer
    x = 1,133,050.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.