Home / 1,236,708.87-1,707,492.75-772,272.30

Finding the Fourth Proportional to 1,236,708.87, 1,707,492.75 and 772,272.30

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Solution

The fourth proportional to 1,236,708.87, 1,707,492.75 and 772,272.30 is: 1,066,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,708.87 : 1,707,492.75 = 772,272.30 : x
  2. Step 2: Convert to fraction form
    1,236,708.87/1,707,492.75 = 772,272.30/x
  3. Step 3: Cross multiply
    1,236,708.87x = 1,707,492.75 × 772,272.30
  4. Step 4: Simplify right side
    1,236,708.87x = 1,318,649,353,275.83
  5. Step 5: Solve for x
    x = 1,318,649,353,275.83/1,236,708.87
  6. Step 6: Final answer
    x = 1,066,256.89

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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.