Home / 1,315,557.70-1,972,753.35-605,220.10

Finding the Fourth Proportional to 1,315,557.70, 1,972,753.35 and 605,220.10

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Solution

The fourth proportional to 1,315,557.70, 1,972,753.35 and 605,220.10 is: 907,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,557.70 : 1,972,753.35 = 605,220.10 : x
  2. Step 2: Convert to fraction form
    1,315,557.70/1,972,753.35 = 605,220.10/x
  3. Step 3: Cross multiply
    1,315,557.70x = 1,972,753.35 × 605,220.10
  4. Step 4: Simplify right side
    1,315,557.70x = 1,193,949,979,762.34
  5. Step 5: Solve for x
    x = 1,193,949,979,762.34/1,315,557.70
  6. Step 6: Final answer
    x = 907,561.85

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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.