Home / 899,505.49-1,355,327.08-743,085.61

Finding the Fourth Proportional to 899,505.49, 1,355,327.08 and 743,085.61

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Solution

The fourth proportional to 899,505.49, 1,355,327.08 and 743,085.61 is: 1,119,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,505.49 : 1,355,327.08 = 743,085.61 : x
  2. Step 2: Convert to fraction form
    899,505.49/1,355,327.08 = 743,085.61/x
  3. Step 3: Cross multiply
    899,505.49x = 1,355,327.08 × 743,085.61
  4. Step 4: Simplify right side
    899,505.49x = 1,007,124,049,991.32
  5. Step 5: Solve for x
    x = 1,007,124,049,991.32/899,505.49
  6. Step 6: Final answer
    x = 1,119,641.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.