Home / 1,270,989.02-1,753,958.07-690,207.08

Finding the Fourth Proportional to 1,270,989.02, 1,753,958.07 and 690,207.08

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Solution

The fourth proportional to 1,270,989.02, 1,753,958.07 and 690,207.08 is: 952,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,989.02 : 1,753,958.07 = 690,207.08 : x
  2. Step 2: Convert to fraction form
    1,270,989.02/1,753,958.07 = 690,207.08/x
  3. Step 3: Cross multiply
    1,270,989.02x = 1,753,958.07 × 690,207.08
  4. Step 4: Simplify right side
    1,270,989.02x = 1,210,594,269,167.35
  5. Step 5: Solve for x
    x = 1,210,594,269,167.35/1,270,989.02
  6. Step 6: Final answer
    x = 952,482.08

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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.