Home / 1,123,678.44-1,685,750.94-375,705

Finding the Fourth Proportional to 1,123,678.44, 1,685,750.94 and 375,705

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Solution

The fourth proportional to 1,123,678.44, 1,685,750.94 and 375,705 is: 563,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,678.44 : 1,685,750.94 = 375,705 : x
  2. Step 2: Convert to fraction form
    1,123,678.44/1,685,750.94 = 375,705/x
  3. Step 3: Cross multiply
    1,123,678.44x = 1,685,750.94 × 375,705
  4. Step 4: Simplify right side
    1,123,678.44x = 633,345,056,912.70
  5. Step 5: Solve for x
    x = 633,345,056,912.70/1,123,678.44
  6. Step 6: Final answer
    x = 563,635.50

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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.