Home / 1,152,829.91-1,727,044.36-645,857.34

Finding the Fourth Proportional to 1,152,829.91, 1,727,044.36 and 645,857.34

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Solution

The fourth proportional to 1,152,829.91, 1,727,044.36 and 645,857.34 is: 967,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,829.91 : 1,727,044.36 = 645,857.34 : x
  2. Step 2: Convert to fraction form
    1,152,829.91/1,727,044.36 = 645,857.34/x
  3. Step 3: Cross multiply
    1,152,829.91x = 1,727,044.36 × 645,857.34
  4. Step 4: Simplify right side
    1,152,829.91x = 1,115,424,278,637.32
  5. Step 5: Solve for x
    x = 1,115,424,278,637.32/1,152,829.91
  6. Step 6: Final answer
    x = 967,553.21

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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.