Home / 1,688,880.96-2,533,749.17-490,777.56

Finding the Fourth Proportional to 1,688,880.96, 2,533,749.17 and 490,777.56

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Solution

The fourth proportional to 1,688,880.96, 2,533,749.17 and 490,777.56 is: 736,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,880.96 : 2,533,749.17 = 490,777.56 : x
  2. Step 2: Convert to fraction form
    1,688,880.96/2,533,749.17 = 490,777.56/x
  3. Step 3: Cross multiply
    1,688,880.96x = 2,533,749.17 × 490,777.56
  4. Step 4: Simplify right side
    1,688,880.96x = 1,243,507,232,850.74
  5. Step 5: Solve for x
    x = 1,243,507,232,850.74/1,688,880.96
  6. Step 6: Final answer
    x = 736,290.63

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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.