Home / 1,087,650.76-1,631,709.60-456,200.68

Finding the Fourth Proportional to 1,087,650.76, 1,631,709.60 and 456,200.68

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Solution

The fourth proportional to 1,087,650.76, 1,631,709.60 and 456,200.68 is: 684,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,650.76 : 1,631,709.60 = 456,200.68 : x
  2. Step 2: Convert to fraction form
    1,087,650.76/1,631,709.60 = 456,200.68/x
  3. Step 3: Cross multiply
    1,087,650.76x = 1,631,709.60 × 456,200.68
  4. Step 4: Simplify right side
    1,087,650.76x = 744,387,029,082.53
  5. Step 5: Solve for x
    x = 744,387,029,082.53/1,087,650.76
  6. Step 6: Final answer
    x = 684,398.94

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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.