Home / 1,457,116.72-2,184,351.88-509,970.76

Finding the Fourth Proportional to 1,457,116.72, 2,184,351.88 and 509,970.76

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Solution

The fourth proportional to 1,457,116.72, 2,184,351.88 and 509,970.76 is: 764,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,116.72 : 2,184,351.88 = 509,970.76 : x
  2. Step 2: Convert to fraction form
    1,457,116.72/2,184,351.88 = 509,970.76/x
  3. Step 3: Cross multiply
    1,457,116.72x = 2,184,351.88 × 509,970.76
  4. Step 4: Simplify right side
    1,457,116.72x = 1,113,955,588,351.03
  5. Step 5: Solve for x
    x = 1,113,955,588,351.03/1,457,116.72
  6. Step 6: Final answer
    x = 764,493.04

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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.