Home / 1,066,725.70-1,600,318.95-318,847.30

Finding the Fourth Proportional to 1,066,725.70, 1,600,318.95 and 318,847.30

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Solution

The fourth proportional to 1,066,725.70, 1,600,318.95 and 318,847.30 is: 478,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,725.70 : 1,600,318.95 = 318,847.30 : x
  2. Step 2: Convert to fraction form
    1,066,725.70/1,600,318.95 = 318,847.30/x
  3. Step 3: Cross multiply
    1,066,725.70x = 1,600,318.95 × 318,847.30
  4. Step 4: Simplify right side
    1,066,725.70x = 510,257,376,346.34
  5. Step 5: Solve for x
    x = 510,257,376,346.34/1,066,725.70
  6. Step 6: Final answer
    x = 478,339.82

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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.