Home / 1,094,927.40-1,641,224.70-420,748.20

Finding the Fourth Proportional to 1,094,927.40, 1,641,224.70 and 420,748.20

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Solution

The fourth proportional to 1,094,927.40, 1,641,224.70 and 420,748.20 is: 630,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,927.40 : 1,641,224.70 = 420,748.20 : x
  2. Step 2: Convert to fraction form
    1,094,927.40/1,641,224.70 = 420,748.20/x
  3. Step 3: Cross multiply
    1,094,927.40x = 1,641,224.70 × 420,748.20
  4. Step 4: Simplify right side
    1,094,927.40x = 690,542,338,320.54
  5. Step 5: Solve for x
    x = 690,542,338,320.54/1,094,927.40
  6. Step 6: Final answer
    x = 630,674.09

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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.