Home / 1,317,318.47-1,816,896.45-1,133,869.25

Finding the Fourth Proportional to 1,317,318.47, 1,816,896.45 and 1,133,869.25

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Solution

The fourth proportional to 1,317,318.47, 1,816,896.45 and 1,133,869.25 is: 1,563,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,318.47 : 1,816,896.45 = 1,133,869.25 : x
  2. Step 2: Convert to fraction form
    1,317,318.47/1,816,896.45 = 1,133,869.25/x
  3. Step 3: Cross multiply
    1,317,318.47x = 1,816,896.45 × 1,133,869.25
  4. Step 4: Simplify right side
    1,317,318.47x = 2,060,123,015,089.16
  5. Step 5: Solve for x
    x = 2,060,123,015,089.16/1,317,318.47
  6. Step 6: Final answer
    x = 1,563,876.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.