Home / 972,003.40-1,455,380.70-972,003.40

Finding the Fourth Proportional to 972,003.40, 1,455,380.70 and 972,003.40

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Solution

The fourth proportional to 972,003.40, 1,455,380.70 and 972,003.40 is: 1,455,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.40 : 1,455,380.70 = 972,003.40 : x
  2. Step 2: Convert to fraction form
    972,003.40/1,455,380.70 = 972,003.40/x
  3. Step 3: Cross multiply
    972,003.40x = 1,455,380.70 × 972,003.40
  4. Step 4: Simplify right side
    972,003.40x = 1,414,634,988,694.38
  5. Step 5: Solve for x
    x = 1,414,634,988,694.38/972,003.40
  6. Step 6: Final answer
    x = 1,455,380.70

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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.