Home / 1,312,922.34-1,811,832.66-709,310.34

Finding the Fourth Proportional to 1,312,922.34, 1,811,832.66 and 709,310.34

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Solution

The fourth proportional to 1,312,922.34, 1,811,832.66 and 709,310.34 is: 978,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,922.34 : 1,811,832.66 = 709,310.34 : x
  2. Step 2: Convert to fraction form
    1,312,922.34/1,811,832.66 = 709,310.34/x
  3. Step 3: Cross multiply
    1,312,922.34x = 1,811,832.66 × 709,310.34
  4. Step 4: Simplify right side
    1,312,922.34x = 1,285,151,640,087.70
  5. Step 5: Solve for x
    x = 1,285,151,640,087.70/1,312,922.34
  6. Step 6: Final answer
    x = 978,848.18

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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.