Home / 1,108,376.28-1,528,537.50-831,628.44

Finding the Fourth Proportional to 1,108,376.28, 1,528,537.50 and 831,628.44

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Solution

The fourth proportional to 1,108,376.28, 1,528,537.50 and 831,628.44 is: 1,146,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,376.28 : 1,528,537.50 = 831,628.44 : x
  2. Step 2: Convert to fraction form
    1,108,376.28/1,528,537.50 = 831,628.44/x
  3. Step 3: Cross multiply
    1,108,376.28x = 1,528,537.50 × 831,628.44
  4. Step 4: Simplify right side
    1,108,376.28x = 1,271,175,256,606.50
  5. Step 5: Solve for x
    x = 1,271,175,256,606.50/1,108,376.28
  6. Step 6: Final answer
    x = 1,146,880.60

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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.