Home / 1,213,701.32-1,674,906.60-669,837.40

Finding the Fourth Proportional to 1,213,701.32, 1,674,906.60 and 669,837.40

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Solution

The fourth proportional to 1,213,701.32, 1,674,906.60 and 669,837.40 is: 924,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,701.32 : 1,674,906.60 = 669,837.40 : x
  2. Step 2: Convert to fraction form
    1,213,701.32/1,674,906.60 = 669,837.40/x
  3. Step 3: Cross multiply
    1,213,701.32x = 1,674,906.60 × 669,837.40
  4. Step 4: Simplify right side
    1,213,701.32x = 1,121,915,082,186.84
  5. Step 5: Solve for x
    x = 1,121,915,082,186.84/1,213,701.32
  6. Step 6: Final answer
    x = 924,374.94

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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.