Home / 1,077,054.20-1,615,581.30-972,078.20

Finding the Fourth Proportional to 1,077,054.20, 1,615,581.30 and 972,078.20

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Solution

The fourth proportional to 1,077,054.20, 1,615,581.30 and 972,078.20 is: 1,458,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,054.20 : 1,615,581.30 = 972,078.20 : x
  2. Step 2: Convert to fraction form
    1,077,054.20/1,615,581.30 = 972,078.20/x
  3. Step 3: Cross multiply
    1,077,054.20x = 1,615,581.30 × 972,078.20
  4. Step 4: Simplify right side
    1,077,054.20x = 1,570,471,362,057.66
  5. Step 5: Solve for x
    x = 1,570,471,362,057.66/1,077,054.20
  6. Step 6: Final answer
    x = 1,458,117.30

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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.