Home / 972,001.20-1,458,001.80-654,740.40

Finding the Fourth Proportional to 972,001.20, 1,458,001.80 and 654,740.40

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Solution

The fourth proportional to 972,001.20, 1,458,001.80 and 654,740.40 is: 982,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.20 : 1,458,001.80 = 654,740.40 : x
  2. Step 2: Convert to fraction form
    972,001.20/1,458,001.80 = 654,740.40/x
  3. Step 3: Cross multiply
    972,001.20x = 1,458,001.80 × 654,740.40
  4. Step 4: Simplify right side
    972,001.20x = 954,612,681,732.72
  5. Step 5: Solve for x
    x = 954,612,681,732.72/972,001.20
  6. Step 6: Final answer
    x = 982,110.60

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1.5x scale

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.