Home / 1,501,377.72-2,071,902.36-813,055

Finding the Fourth Proportional to 1,501,377.72, 2,071,902.36 and 813,055

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Solution

The fourth proportional to 1,501,377.72, 2,071,902.36 and 813,055 is: 1,122,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,377.72 : 2,071,902.36 = 813,055 : x
  2. Step 2: Convert to fraction form
    1,501,377.72/2,071,902.36 = 813,055/x
  3. Step 3: Cross multiply
    1,501,377.72x = 2,071,902.36 × 813,055
  4. Step 4: Simplify right side
    1,501,377.72x = 1,684,570,573,309.80
  5. Step 5: Solve for x
    x = 1,684,570,573,309.80/1,501,377.72
  6. Step 6: Final answer
    x = 1,122,016.50

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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.