Home / 809,992.64-1,118,315.36-724,962.24

Finding the Fourth Proportional to 809,992.64, 1,118,315.36 and 724,962.24

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Solution

The fourth proportional to 809,992.64, 1,118,315.36 and 724,962.24 is: 1,000,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,992.64 : 1,118,315.36 = 724,962.24 : x
  2. Step 2: Convert to fraction form
    809,992.64/1,118,315.36 = 724,962.24/x
  3. Step 3: Cross multiply
    809,992.64x = 1,118,315.36 × 724,962.24
  4. Step 4: Simplify right side
    809,992.64x = 810,736,408,412.01
  5. Step 5: Solve for x
    x = 810,736,408,412.01/809,992.64
  6. Step 6: Final answer
    x = 1,000,918.24

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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.