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Finding the Fourth Proportional to 1,750,251, 2,625,376.50 and 420,555

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Solution

The fourth proportional to 1,750,251, 2,625,376.50 and 420,555 is: 630,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,251 : 2,625,376.50 = 420,555 : x
  2. Step 2: Convert to fraction form
    1,750,251/2,625,376.50 = 420,555/x
  3. Step 3: Cross multiply
    1,750,251x = 2,625,376.50 × 420,555
  4. Step 4: Simplify right side
    1,750,251x = 1,104,115,213,957.50
  5. Step 5: Solve for x
    x = 1,104,115,213,957.50/1,750,251
  6. Step 6: Final answer
    x = 630,832.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.