Home / 972,130.40-1,458,195.60-818,165.60

Finding the Fourth Proportional to 972,130.40, 1,458,195.60 and 818,165.60

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Solution

The fourth proportional to 972,130.40, 1,458,195.60 and 818,165.60 is: 1,227,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,130.40 : 1,458,195.60 = 818,165.60 : x
  2. Step 2: Convert to fraction form
    972,130.40/1,458,195.60 = 818,165.60/x
  3. Step 3: Cross multiply
    972,130.40x = 1,458,195.60 × 818,165.60
  4. Step 4: Simplify right side
    972,130.40x = 1,193,045,477,991.36
  5. Step 5: Solve for x
    x = 1,193,045,477,991.36/972,130.40
  6. Step 6: Final answer
    x = 1,227,248.40

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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.