Home / 1,064,485.50-1,597,166.73-781,620.54

Finding the Fourth Proportional to 1,064,485.50, 1,597,166.73 and 781,620.54

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Solution

The fourth proportional to 1,064,485.50, 1,597,166.73 and 781,620.54 is: 1,172,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,485.50 : 1,597,166.73 = 781,620.54 : x
  2. Step 2: Convert to fraction form
    1,064,485.50/1,597,166.73 = 781,620.54/x
  3. Step 3: Cross multiply
    1,064,485.50x = 1,597,166.73 × 781,620.54
  4. Step 4: Simplify right side
    1,064,485.50x = 1,248,378,321,972.63
  5. Step 5: Solve for x
    x = 1,248,378,321,972.63/1,064,485.50
  6. Step 6: Final answer
    x = 1,172,752.77

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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.