Home / 1,057,639.77-1,586,122.70-347,503.05

Finding the Fourth Proportional to 1,057,639.77, 1,586,122.70 and 347,503.05

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Solution

The fourth proportional to 1,057,639.77, 1,586,122.70 and 347,503.05 is: 521,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,639.77 : 1,586,122.70 = 347,503.05 : x
  2. Step 2: Convert to fraction form
    1,057,639.77/1,586,122.70 = 347,503.05/x
  3. Step 3: Cross multiply
    1,057,639.77x = 1,586,122.70 × 347,503.05
  4. Step 4: Simplify right side
    1,057,639.77x = 551,182,474,186.72
  5. Step 5: Solve for x
    x = 551,182,474,186.72/1,057,639.77
  6. Step 6: Final answer
    x = 521,143.86

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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.