Home / 1,371,920.80-2,057,881.20-893,623.90

Finding the Fourth Proportional to 1,371,920.80, 2,057,881.20 and 893,623.90

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Solution

The fourth proportional to 1,371,920.80, 2,057,881.20 and 893,623.90 is: 1,340,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,920.80 : 2,057,881.20 = 893,623.90 : x
  2. Step 2: Convert to fraction form
    1,371,920.80/2,057,881.20 = 893,623.90/x
  3. Step 3: Cross multiply
    1,371,920.80x = 2,057,881.20 × 893,623.90
  4. Step 4: Simplify right side
    1,371,920.80x = 1,838,971,823,680.68
  5. Step 5: Solve for x
    x = 1,838,971,823,680.68/1,371,920.80
  6. Step 6: Final answer
    x = 1,340,435.85

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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.