Home / 972,622.37-1,458,902.42-440,143.40

Finding the Fourth Proportional to 972,622.37, 1,458,902.42 and 440,143.40

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Solution

The fourth proportional to 972,622.37, 1,458,902.42 and 440,143.40 is: 660,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,622.37 : 1,458,902.42 = 440,143.40 : x
  2. Step 2: Convert to fraction form
    972,622.37/1,458,902.42 = 440,143.40/x
  3. Step 3: Cross multiply
    972,622.37x = 1,458,902.42 × 440,143.40
  4. Step 4: Simplify right side
    972,622.37x = 642,126,277,590.15
  5. Step 5: Solve for x
    x = 642,126,277,590.15/972,622.37
  6. Step 6: Final answer
    x = 660,201.01

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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.