Home / 1,531,928.06-2,114,066.71-920,091.23

Finding the Fourth Proportional to 1,531,928.06, 2,114,066.71 and 920,091.23

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Solution

The fourth proportional to 1,531,928.06, 2,114,066.71 and 920,091.23 is: 1,269,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,928.06 : 2,114,066.71 = 920,091.23 : x
  2. Step 2: Convert to fraction form
    1,531,928.06/2,114,066.71 = 920,091.23/x
  3. Step 3: Cross multiply
    1,531,928.06x = 2,114,066.71 × 920,091.23
  4. Step 4: Simplify right side
    1,531,928.06x = 1,945,134,245,122.24
  5. Step 5: Solve for x
    x = 1,945,134,245,122.24/1,531,928.06
  6. Step 6: Final answer
    x = 1,269,729.50

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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.