Home / 920,732.32-1,270,266.60-919,313.20

Finding the Fourth Proportional to 920,732.32, 1,270,266.60 and 919,313.20

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Solution

The fourth proportional to 920,732.32, 1,270,266.60 and 919,313.20 is: 1,268,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,732.32 : 1,270,266.60 = 919,313.20 : x
  2. Step 2: Convert to fraction form
    920,732.32/1,270,266.60 = 919,313.20/x
  3. Step 3: Cross multiply
    920,732.32x = 1,270,266.60 × 919,313.20
  4. Step 4: Simplify right side
    920,732.32x = 1,167,772,852,899.12
  5. Step 5: Solve for x
    x = 1,167,772,852,899.12/920,732.32
  6. Step 6: Final answer
    x = 1,268,308.74

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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.