Home / 1,206,718.84-1,665,226.38-670,209.40

Finding the Fourth Proportional to 1,206,718.84, 1,665,226.38 and 670,209.40

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Solution

The fourth proportional to 1,206,718.84, 1,665,226.38 and 670,209.40 is: 924,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,718.84 : 1,665,226.38 = 670,209.40 : x
  2. Step 2: Convert to fraction form
    1,206,718.84/1,665,226.38 = 670,209.40/x
  3. Step 3: Cross multiply
    1,206,718.84x = 1,665,226.38 × 670,209.40
  4. Step 4: Simplify right side
    1,206,718.84x = 1,116,050,373,003.97
  5. Step 5: Solve for x
    x = 1,116,050,373,003.97/1,206,718.84
  6. Step 6: Final answer
    x = 924,863.64

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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.