Home / 1,660,783.77-2,291,930.18-972,391.22

Finding the Fourth Proportional to 1,660,783.77, 2,291,930.18 and 972,391.22

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Solution

The fourth proportional to 1,660,783.77, 2,291,930.18 and 972,391.22 is: 1,341,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,783.77 : 2,291,930.18 = 972,391.22 : x
  2. Step 2: Convert to fraction form
    1,660,783.77/2,291,930.18 = 972,391.22/x
  3. Step 3: Cross multiply
    1,660,783.77x = 2,291,930.18 × 972,391.22
  4. Step 4: Simplify right side
    1,660,783.77x = 2,228,652,783,885.02
  5. Step 5: Solve for x
    x = 2,228,652,783,885.02/1,660,783.77
  6. Step 6: Final answer
    x = 1,341,928.33

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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.