Home / 1,281,653.66-1,921,349.06-483,495.70

Finding the Fourth Proportional to 1,281,653.66, 1,921,349.06 and 483,495.70

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Solution

The fourth proportional to 1,281,653.66, 1,921,349.06 and 483,495.70 is: 724,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,653.66 : 1,921,349.06 = 483,495.70 : x
  2. Step 2: Convert to fraction form
    1,281,653.66/1,921,349.06 = 483,495.70/x
  3. Step 3: Cross multiply
    1,281,653.66x = 1,921,349.06 × 483,495.70
  4. Step 4: Simplify right side
    1,281,653.66x = 928,964,008,709.04
  5. Step 5: Solve for x
    x = 928,964,008,709.04/1,281,653.66
  6. Step 6: Final answer
    x = 724,816.73

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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.