Home / 1,314,613.92-1,814,222.16-831,005.04

Finding the Fourth Proportional to 1,314,613.92, 1,814,222.16 and 831,005.04

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Solution

The fourth proportional to 1,314,613.92, 1,814,222.16 and 831,005.04 is: 1,146,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,613.92 : 1,814,222.16 = 831,005.04 : x
  2. Step 2: Convert to fraction form
    1,314,613.92/1,814,222.16 = 831,005.04/x
  3. Step 3: Cross multiply
    1,314,613.92x = 1,814,222.16 × 831,005.04
  4. Step 4: Simplify right side
    1,314,613.92x = 1,507,627,758,639.69
  5. Step 5: Solve for x
    x = 1,507,627,758,639.69/1,314,613.92
  6. Step 6: Final answer
    x = 1,146,821.69

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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.