Home / 972,110.80-1,458,166.20-909,902.80

Finding the Fourth Proportional to 972,110.80, 1,458,166.20 and 909,902.80

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Solution

The fourth proportional to 972,110.80, 1,458,166.20 and 909,902.80 is: 1,364,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,110.80 : 1,458,166.20 = 909,902.80 : x
  2. Step 2: Convert to fraction form
    972,110.80/1,458,166.20 = 909,902.80/x
  3. Step 3: Cross multiply
    972,110.80x = 1,458,166.20 × 909,902.80
  4. Step 4: Simplify right side
    972,110.80x = 1,326,789,508,245.36
  5. Step 5: Solve for x
    x = 1,326,789,508,245.36/972,110.80
  6. Step 6: Final answer
    x = 1,364,854.20

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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.