Home / 1,545,706.56-2,132,638.96-1,001,865.28

Finding the Fourth Proportional to 1,545,706.56, 2,132,638.96 and 1,001,865.28

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Solution

The fourth proportional to 1,545,706.56, 2,132,638.96 and 1,001,865.28 is: 1,382,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,706.56 : 2,132,638.96 = 1,001,865.28 : x
  2. Step 2: Convert to fraction form
    1,545,706.56/2,132,638.96 = 1,001,865.28/x
  3. Step 3: Cross multiply
    1,545,706.56x = 2,132,638.96 × 1,001,865.28
  4. Step 4: Simplify right side
    1,545,706.56x = 2,136,616,928,799.31
  5. Step 5: Solve for x
    x = 2,136,616,928,799.31/1,545,706.56
  6. Step 6: Final answer
    x = 1,382,291.43

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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.