Home / 1,315,485.70-1,972,645.35-605,731.30

Finding the Fourth Proportional to 1,315,485.70, 1,972,645.35 and 605,731.30

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Solution

The fourth proportional to 1,315,485.70, 1,972,645.35 and 605,731.30 is: 908,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,485.70 : 1,972,645.35 = 605,731.30 : x
  2. Step 2: Convert to fraction form
    1,315,485.70/1,972,645.35 = 605,731.30/x
  3. Step 3: Cross multiply
    1,315,485.70x = 1,972,645.35 × 605,731.30
  4. Step 4: Simplify right side
    1,315,485.70x = 1,194,893,032,294.46
  5. Step 5: Solve for x
    x = 1,194,893,032,294.46/1,315,485.70
  6. Step 6: Final answer
    x = 908,328.41

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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.