Home / 1,313,301.60-1,812,352.32-709,689.60

Finding the Fourth Proportional to 1,313,301.60, 1,812,352.32 and 709,689.60

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Solution

The fourth proportional to 1,313,301.60, 1,812,352.32 and 709,689.60 is: 979,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,301.60 : 1,812,352.32 = 709,689.60 : x
  2. Step 2: Convert to fraction form
    1,313,301.60/1,812,352.32 = 709,689.60/x
  3. Step 3: Cross multiply
    1,313,301.60x = 1,812,352.32 × 709,689.60
  4. Step 4: Simplify right side
    1,313,301.60x = 1,286,207,593,039.87
  5. Step 5: Solve for x
    x = 1,286,207,593,039.87/1,313,301.60
  6. Step 6: Final answer
    x = 979,369.55

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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.