Home / 972,006.30-1,458,009.45-930,015.90

Finding the Fourth Proportional to 972,006.30, 1,458,009.45 and 930,015.90

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Solution

The fourth proportional to 972,006.30, 1,458,009.45 and 930,015.90 is: 1,395,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,006.30 : 1,458,009.45 = 930,015.90 : x
  2. Step 2: Convert to fraction form
    972,006.30/1,458,009.45 = 930,015.90/x
  3. Step 3: Cross multiply
    972,006.30x = 1,458,009.45 × 930,015.90
  4. Step 4: Simplify right side
    972,006.30x = 1,355,971,970,850.25
  5. Step 5: Solve for x
    x = 1,355,971,970,850.25/972,006.30
  6. Step 6: Final answer
    x = 1,395,023.85

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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.