Home / 1,315,510.20-1,972,682.10-605,172.60

Finding the Fourth Proportional to 1,315,510.20, 1,972,682.10 and 605,172.60

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Solution

The fourth proportional to 1,315,510.20, 1,972,682.10 and 605,172.60 is: 907,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,510.20 : 1,972,682.10 = 605,172.60 : x
  2. Step 2: Convert to fraction form
    1,315,510.20/1,972,682.10 = 605,172.60/x
  3. Step 3: Cross multiply
    1,315,510.20x = 1,972,682.10 × 605,172.60
  4. Step 4: Simplify right side
    1,315,510.20x = 1,193,813,155,430.46
  5. Step 5: Solve for x
    x = 1,193,813,155,430.46/1,315,510.20
  6. Step 6: Final answer
    x = 907,490.61

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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.