Home / 1,783,695.80-2,460,470.76-1,138,388.64

Finding the Fourth Proportional to 1,783,695.80, 2,460,470.76 and 1,138,388.64

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Solution

The fourth proportional to 1,783,695.80, 2,460,470.76 and 1,138,388.64 is: 1,570,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,695.80 : 2,460,470.76 = 1,138,388.64 : x
  2. Step 2: Convert to fraction form
    1,783,695.80/2,460,470.76 = 1,138,388.64/x
  3. Step 3: Cross multiply
    1,783,695.80x = 2,460,470.76 × 1,138,388.64
  4. Step 4: Simplify right side
    1,783,695.80x = 2,800,971,962,236.17
  5. Step 5: Solve for x
    x = 2,800,971,962,236.17/1,783,695.80
  6. Step 6: Final answer
    x = 1,570,319.32

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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.