Home / 1,313,558.51-1,812,709.94-709,946.51

Finding the Fourth Proportional to 1,313,558.51, 1,812,709.94 and 709,946.51

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Solution

The fourth proportional to 1,313,558.51, 1,812,709.94 and 709,946.51 is: 979,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,558.51 : 1,812,709.94 = 709,946.51 : x
  2. Step 2: Convert to fraction form
    1,313,558.51/1,812,709.94 = 709,946.51/x
  3. Step 3: Cross multiply
    1,313,558.51x = 1,812,709.94 × 709,946.51
  4. Step 4: Simplify right side
    1,313,558.51x = 1,286,927,082,932.03
  5. Step 5: Solve for x
    x = 1,286,927,082,932.03/1,313,558.51
  6. Step 6: Final answer
    x = 979,725.74

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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.