Home / 1,401,026.67-2,101,595.37-390,236.97

Finding the Fourth Proportional to 1,401,026.67, 2,101,595.37 and 390,236.97

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Solution

The fourth proportional to 1,401,026.67, 2,101,595.37 and 390,236.97 is: 585,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,026.67 : 2,101,595.37 = 390,236.97 : x
  2. Step 2: Convert to fraction form
    1,401,026.67/2,101,595.37 = 390,236.97/x
  3. Step 3: Cross multiply
    1,401,026.67x = 2,101,595.37 × 390,236.97
  4. Step 4: Simplify right side
    1,401,026.67x = 820,120,209,354.83
  5. Step 5: Solve for x
    x = 820,120,209,354.83/1,401,026.67
  6. Step 6: Final answer
    x = 585,370.88

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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.