Home / 1,057,865.40-1,586,474.10-347,729.40

Finding the Fourth Proportional to 1,057,865.40, 1,586,474.10 and 347,729.40

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Solution

The fourth proportional to 1,057,865.40, 1,586,474.10 and 347,729.40 is: 521,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,865.40 : 1,586,474.10 = 347,729.40 : x
  2. Step 2: Convert to fraction form
    1,057,865.40/1,586,474.10 = 347,729.40/x
  3. Step 3: Cross multiply
    1,057,865.40x = 1,586,474.10 × 347,729.40
  4. Step 4: Simplify right side
    1,057,865.40x = 551,663,686,908.54
  5. Step 5: Solve for x
    x = 551,663,686,908.54/1,057,865.40
  6. Step 6: Final answer
    x = 521,487.60

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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.