Home / 1,425,787.18-2,137,351.83-714,984.64

Finding the Fourth Proportional to 1,425,787.18, 2,137,351.83 and 714,984.64

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Solution

The fourth proportional to 1,425,787.18, 2,137,351.83 and 714,984.64 is: 1,071,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,787.18 : 2,137,351.83 = 714,984.64 : x
  2. Step 2: Convert to fraction form
    1,425,787.18/2,137,351.83 = 714,984.64/x
  3. Step 3: Cross multiply
    1,425,787.18x = 2,137,351.83 × 714,984.64
  4. Step 4: Simplify right side
    1,425,787.18x = 1,528,173,728,725.89
  5. Step 5: Solve for x
    x = 1,528,173,728,725.89/1,425,787.18
  6. Step 6: Final answer
    x = 1,071,810.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.