Home / 1,401,750.82-2,102,396.10-390,941.38

Finding the Fourth Proportional to 1,401,750.82, 2,102,396.10 and 390,941.38

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Solution

The fourth proportional to 1,401,750.82, 2,102,396.10 and 390,941.38 is: 586,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,750.82 : 2,102,396.10 = 390,941.38 : x
  2. Step 2: Convert to fraction form
    1,401,750.82/2,102,396.10 = 390,941.38/x
  3. Step 3: Cross multiply
    1,401,750.82x = 2,102,396.10 × 390,941.38
  4. Step 4: Simplify right side
    1,401,750.82x = 821,913,632,640.62
  5. Step 5: Solve for x
    x = 821,913,632,640.62/1,401,750.82
  6. Step 6: Final answer
    x = 586,347.89

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1.5x scale

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.