Home / 972,110.80-1,458,166.20-930,120.40

Finding the Fourth Proportional to 972,110.80, 1,458,166.20 and 930,120.40

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Solution

The fourth proportional to 972,110.80, 1,458,166.20 and 930,120.40 is: 1,395,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,110.80 : 1,458,166.20 = 930,120.40 : x
  2. Step 2: Convert to fraction form
    972,110.80/1,458,166.20 = 930,120.40/x
  3. Step 3: Cross multiply
    972,110.80x = 1,458,166.20 × 930,120.40
  4. Step 4: Simplify right side
    972,110.80x = 1,356,270,129,210.48
  5. Step 5: Solve for x
    x = 1,356,270,129,210.48/972,110.80
  6. Step 6: Final answer
    x = 1,395,180.60

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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.