Home / 1,425,835.47-2,138,113.85-849,730.80

Finding the Fourth Proportional to 1,425,835.47, 2,138,113.85 and 849,730.80

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Solution

The fourth proportional to 1,425,835.47, 2,138,113.85 and 849,730.80 is: 1,274,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,835.47 : 2,138,113.85 = 849,730.80 : x
  2. Step 2: Convert to fraction form
    1,425,835.47/2,138,113.85 = 849,730.80/x
  3. Step 3: Cross multiply
    1,425,835.47x = 2,138,113.85 × 849,730.80
  4. Step 4: Simplify right side
    1,425,835.47x = 1,816,821,192,251.58
  5. Step 5: Solve for x
    x = 1,816,821,192,251.58/1,425,835.47
  6. Step 6: Final answer
    x = 1,274,215.17

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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.