Home / 1,315,100.64-1,814,735.52-805,733.76

Finding the Fourth Proportional to 1,315,100.64, 1,814,735.52 and 805,733.76

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Solution

The fourth proportional to 1,315,100.64, 1,814,735.52 and 805,733.76 is: 1,111,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,100.64 : 1,814,735.52 = 805,733.76 : x
  2. Step 2: Convert to fraction form
    1,315,100.64/1,814,735.52 = 805,733.76/x
  3. Step 3: Cross multiply
    1,315,100.64x = 1,814,735.52 × 805,733.76
  4. Step 4: Simplify right side
    1,315,100.64x = 1,462,193,673,935.16
  5. Step 5: Solve for x
    x = 1,462,193,673,935.16/1,315,100.64
  6. Step 6: Final answer
    x = 1,111,849.26

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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.