Home / 1,081,631.22-1,492,838.38-651,911.84

Finding the Fourth Proportional to 1,081,631.22, 1,492,838.38 and 651,911.84

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Solution

The fourth proportional to 1,081,631.22, 1,492,838.38 and 651,911.84 is: 899,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,631.22 : 1,492,838.38 = 651,911.84 : x
  2. Step 2: Convert to fraction form
    1,081,631.22/1,492,838.38 = 651,911.84/x
  3. Step 3: Cross multiply
    1,081,631.22x = 1,492,838.38 × 651,911.84
  4. Step 4: Simplify right side
    1,081,631.22x = 973,199,015,128.42
  5. Step 5: Solve for x
    x = 973,199,015,128.42/1,081,631.22
  6. Step 6: Final answer
    x = 899,751.22

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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.