Home / 1,513,675.54-2,086,701.78-1,190,824.93

Finding the Fourth Proportional to 1,513,675.54, 2,086,701.78 and 1,190,824.93

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Solution

The fourth proportional to 1,513,675.54, 2,086,701.78 and 1,190,824.93 is: 1,641,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,675.54 : 2,086,701.78 = 1,190,824.93 : x
  2. Step 2: Convert to fraction form
    1,513,675.54/2,086,701.78 = 1,190,824.93/x
  3. Step 3: Cross multiply
    1,513,675.54x = 2,086,701.78 × 1,190,824.93
  4. Step 4: Simplify right side
    1,513,675.54x = 2,484,896,501,099.38
  5. Step 5: Solve for x
    x = 2,484,896,501,099.38/1,513,675.54
  6. Step 6: Final answer
    x = 1,641,630.87

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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.