Home / 1,226,572.96-1,839,730.02-328,105.39

Finding the Fourth Proportional to 1,226,572.96, 1,839,730.02 and 328,105.39

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Solution

The fourth proportional to 1,226,572.96, 1,839,730.02 and 328,105.39 is: 492,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,572.96 : 1,839,730.02 = 328,105.39 : x
  2. Step 2: Convert to fraction form
    1,226,572.96/1,839,730.02 = 328,105.39/x
  3. Step 3: Cross multiply
    1,226,572.96x = 1,839,730.02 × 328,105.39
  4. Step 4: Simplify right side
    1,226,572.96x = 603,625,335,706.81
  5. Step 5: Solve for x
    x = 603,625,335,706.81/1,226,572.96
  6. Step 6: Final answer
    x = 492,123.47

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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.