Home / 917,362.20-1,376,043.30-897,679.20

Finding the Fourth Proportional to 917,362.20, 1,376,043.30 and 897,679.20

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Solution

The fourth proportional to 917,362.20, 1,376,043.30 and 897,679.20 is: 1,346,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,362.20 : 1,376,043.30 = 897,679.20 : x
  2. Step 2: Convert to fraction form
    917,362.20/1,376,043.30 = 897,679.20/x
  3. Step 3: Cross multiply
    917,362.20x = 1,376,043.30 × 897,679.20
  4. Step 4: Simplify right side
    917,362.20x = 1,235,245,448,709.36
  5. Step 5: Solve for x
    x = 1,235,245,448,709.36/917,362.20
  6. Step 6: Final answer
    x = 1,346,518.80

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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.