Home / 1,401,692.76-1,934,312.94-789,908.04

Finding the Fourth Proportional to 1,401,692.76, 1,934,312.94 and 789,908.04

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Solution

The fourth proportional to 1,401,692.76, 1,934,312.94 and 789,908.04 is: 1,090,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,692.76 : 1,934,312.94 = 789,908.04 : x
  2. Step 2: Convert to fraction form
    1,401,692.76/1,934,312.94 = 789,908.04/x
  3. Step 3: Cross multiply
    1,401,692.76x = 1,934,312.94 × 789,908.04
  4. Step 4: Simplify right side
    1,401,692.76x = 1,527,929,343,182.04
  5. Step 5: Solve for x
    x = 1,527,929,343,182.04/1,401,692.76
  6. Step 6: Final answer
    x = 1,090,060.10

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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.