Home / 1,706,374.46-2,559,568.73-426,978.45

Finding the Fourth Proportional to 1,706,374.46, 2,559,568.73 and 426,978.45

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Solution

The fourth proportional to 1,706,374.46, 2,559,568.73 and 426,978.45 is: 640,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,374.46 : 2,559,568.73 = 426,978.45 : x
  2. Step 2: Convert to fraction form
    1,706,374.46/2,559,568.73 = 426,978.45/x
  3. Step 3: Cross multiply
    1,706,374.46x = 2,559,568.73 × 426,978.45
  4. Step 4: Simplify right side
    1,706,374.46x = 1,092,880,686,868.98
  5. Step 5: Solve for x
    x = 1,092,880,686,868.98/1,706,374.46
  6. Step 6: Final answer
    x = 640,469.43

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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.