Home / 1,155,021.90-1,732,828.10-444,859.26

Finding the Fourth Proportional to 1,155,021.90, 1,732,828.10 and 444,859.26

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Solution

The fourth proportional to 1,155,021.90, 1,732,828.10 and 444,859.26 is: 667,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,021.90 : 1,732,828.10 = 444,859.26 : x
  2. Step 2: Convert to fraction form
    1,155,021.90/1,732,828.10 = 444,859.26/x
  3. Step 3: Cross multiply
    1,155,021.90x = 1,732,828.10 × 444,859.26
  4. Step 4: Simplify right side
    1,155,021.90x = 770,864,624,048.91
  5. Step 5: Solve for x
    x = 770,864,624,048.91/1,155,021.90
  6. Step 6: Final answer
    x = 667,402.60

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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.