Home / 1,391,511.36-2,084,870.58-1,087,787.34

Finding the Fourth Proportional to 1,391,511.36, 2,084,870.58 and 1,087,787.34

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Solution

The fourth proportional to 1,391,511.36, 2,084,870.58 and 1,087,787.34 is: 1,629,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,511.36 : 2,084,870.58 = 1,087,787.34 : x
  2. Step 2: Convert to fraction form
    1,391,511.36/2,084,870.58 = 1,087,787.34/x
  3. Step 3: Cross multiply
    1,391,511.36x = 2,084,870.58 × 1,087,787.34
  4. Step 4: Simplify right side
    1,391,511.36x = 2,267,895,822,462.46
  5. Step 5: Solve for x
    x = 2,267,895,822,462.46/1,391,511.36
  6. Step 6: Final answer
    x = 1,629,807.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.