Home / 1,313,374.84-1,812,458.22-709,762.84

Finding the Fourth Proportional to 1,313,374.84, 1,812,458.22 and 709,762.84

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Solution

The fourth proportional to 1,313,374.84, 1,812,458.22 and 709,762.84 is: 979,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,374.84 : 1,812,458.22 = 709,762.84 : x
  2. Step 2: Convert to fraction form
    1,313,374.84/1,812,458.22 = 709,762.84/x
  3. Step 3: Cross multiply
    1,313,374.84x = 1,812,458.22 × 709,762.84
  4. Step 4: Simplify right side
    1,313,374.84x = 1,286,415,493,608.54
  5. Step 5: Solve for x
    x = 1,286,415,493,608.54/1,313,374.84
  6. Step 6: Final answer
    x = 979,473.23

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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.