Home / 1,688,334.33-2,532,571.55-490,256.64

Finding the Fourth Proportional to 1,688,334.33, 2,532,571.55 and 490,256.64

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Solution

The fourth proportional to 1,688,334.33, 2,532,571.55 and 490,256.64 is: 735,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,334.33 : 2,532,571.55 = 490,256.64 : x
  2. Step 2: Convert to fraction form
    1,688,334.33/2,532,571.55 = 490,256.64/x
  3. Step 3: Cross multiply
    1,688,334.33x = 2,532,571.55 × 490,256.64
  4. Step 4: Simplify right side
    1,688,334.33x = 1,241,610,018,662.59
  5. Step 5: Solve for x
    x = 1,241,610,018,662.59/1,688,334.33
  6. Step 6: Final answer
    x = 735,405.30

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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.