Home / 1,750,378.10-2,625,567.15-420,682.10

Finding the Fourth Proportional to 1,750,378.10, 2,625,567.15 and 420,682.10

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Solution

The fourth proportional to 1,750,378.10, 2,625,567.15 and 420,682.10 is: 631,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,378.10 : 2,625,567.15 = 420,682.10 : x
  2. Step 2: Convert to fraction form
    1,750,378.10/2,625,567.15 = 420,682.10/x
  3. Step 3: Cross multiply
    1,750,378.10x = 2,625,567.15 × 420,682.10
  4. Step 4: Simplify right side
    1,750,378.10x = 1,104,529,102,353.01
  5. Step 5: Solve for x
    x = 1,104,529,102,353.01/1,750,378.10
  6. Step 6: Final answer
    x = 631,023.15

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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.