Home / 1,371,438.07-2,057,292.34-472,761.50

Finding the Fourth Proportional to 1,371,438.07, 2,057,292.34 and 472,761.50

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Solution

The fourth proportional to 1,371,438.07, 2,057,292.34 and 472,761.50 is: 709,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,438.07 : 2,057,292.34 = 472,761.50 : x
  2. Step 2: Convert to fraction form
    1,371,438.07/2,057,292.34 = 472,761.50/x
  3. Step 3: Cross multiply
    1,371,438.07x = 2,057,292.34 × 472,761.50
  4. Step 4: Simplify right side
    1,371,438.07x = 972,608,601,128.55
  5. Step 5: Solve for x
    x = 972,608,601,128.55/1,371,438.07
  6. Step 6: Final answer
    x = 709,188.86

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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.