Home / 1,620,151.50-2,235,809.07-904,759.50

Finding the Fourth Proportional to 1,620,151.50, 2,235,809.07 and 904,759.50

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Solution

The fourth proportional to 1,620,151.50, 2,235,809.07 and 904,759.50 is: 1,248,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,151.50 : 2,235,809.07 = 904,759.50 : x
  2. Step 2: Convert to fraction form
    1,620,151.50/2,235,809.07 = 904,759.50/x
  3. Step 3: Cross multiply
    1,620,151.50x = 2,235,809.07 × 904,759.50
  4. Step 4: Simplify right side
    1,620,151.50x = 2,022,869,496,268.66
  5. Step 5: Solve for x
    x = 2,022,869,496,268.66/1,620,151.50
  6. Step 6: Final answer
    x = 1,248,568.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.