Home / 1,802,923.95-2,488,035.18-987,127.70

Finding the Fourth Proportional to 1,802,923.95, 2,488,035.18 and 987,127.70

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Solution

The fourth proportional to 1,802,923.95, 2,488,035.18 and 987,127.70 is: 1,362,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,923.95 : 2,488,035.18 = 987,127.70 : x
  2. Step 2: Convert to fraction form
    1,802,923.95/2,488,035.18 = 987,127.70/x
  3. Step 3: Cross multiply
    1,802,923.95x = 2,488,035.18 × 987,127.70
  4. Step 4: Simplify right side
    1,802,923.95x = 2,456,008,436,014.04
  5. Step 5: Solve for x
    x = 2,456,008,436,014.04/1,802,923.95
  6. Step 6: Final answer
    x = 1,362,236.29

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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.