Home / 1,680,661.64-2,319,492.72-1,027,670.36

Finding the Fourth Proportional to 1,680,661.64, 2,319,492.72 and 1,027,670.36

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Solution

The fourth proportional to 1,680,661.64, 2,319,492.72 and 1,027,670.36 is: 1,418,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,661.64 : 2,319,492.72 = 1,027,670.36 : x
  2. Step 2: Convert to fraction form
    1,680,661.64/2,319,492.72 = 1,027,670.36/x
  3. Step 3: Cross multiply
    1,680,661.64x = 2,319,492.72 × 1,027,670.36
  4. Step 4: Simplify right side
    1,680,661.64x = 2,383,673,918,579.78
  5. Step 5: Solve for x
    x = 2,383,673,918,579.78/1,680,661.64
  6. Step 6: Final answer
    x = 1,418,294.95

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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.