Home / 1,686,280.74-2,529,453.91-620,774.34

Finding the Fourth Proportional to 1,686,280.74, 2,529,453.91 and 620,774.34

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Solution

The fourth proportional to 1,686,280.74, 2,529,453.91 and 620,774.34 is: 931,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,280.74 : 2,529,453.91 = 620,774.34 : x
  2. Step 2: Convert to fraction form
    1,686,280.74/2,529,453.91 = 620,774.34/x
  3. Step 3: Cross multiply
    1,686,280.74x = 2,529,453.91 × 620,774.34
  4. Step 4: Simplify right side
    1,686,280.74x = 1,570,220,081,540.67
  5. Step 5: Solve for x
    x = 1,570,220,081,540.67/1,686,280.74
  6. Step 6: Final answer
    x = 931,173.58

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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.