Home / 1,440,267.45-2,160,982.11-641,002.31

Finding the Fourth Proportional to 1,440,267.45, 2,160,982.11 and 641,002.31

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Solution

The fourth proportional to 1,440,267.45, 2,160,982.11 and 641,002.31 is: 961,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,267.45 : 2,160,982.11 = 641,002.31 : x
  2. Step 2: Convert to fraction form
    1,440,267.45/2,160,982.11 = 641,002.31/x
  3. Step 3: Cross multiply
    1,440,267.45x = 2,160,982.11 × 641,002.31
  4. Step 4: Simplify right side
    1,440,267.45x = 1,385,194,513,573.76
  5. Step 5: Solve for x
    x = 1,385,194,513,573.76/1,440,267.45
  6. Step 6: Final answer
    x = 961,762.01

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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.