Home / 1,171,007.46-1,615,969.26-661,698.90

Finding the Fourth Proportional to 1,171,007.46, 1,615,969.26 and 661,698.90

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Solution

The fourth proportional to 1,171,007.46, 1,615,969.26 and 661,698.90 is: 913,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,007.46 : 1,615,969.26 = 661,698.90 : x
  2. Step 2: Convert to fraction form
    1,171,007.46/1,615,969.26 = 661,698.90/x
  3. Step 3: Cross multiply
    1,171,007.46x = 1,615,969.26 × 661,698.90
  4. Step 4: Simplify right side
    1,171,007.46x = 1,069,285,081,775.81
  5. Step 5: Solve for x
    x = 1,069,285,081,775.81/1,171,007.46
  6. Step 6: Final answer
    x = 913,132.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.