Home / 1,175,811.44-1,622,913.72-722,840

Finding the Fourth Proportional to 1,175,811.44, 1,622,913.72 and 722,840

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Solution

The fourth proportional to 1,175,811.44, 1,622,913.72 and 722,840 is: 997,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,811.44 : 1,622,913.72 = 722,840 : x
  2. Step 2: Convert to fraction form
    1,175,811.44/1,622,913.72 = 722,840/x
  3. Step 3: Cross multiply
    1,175,811.44x = 1,622,913.72 × 722,840
  4. Step 4: Simplify right side
    1,175,811.44x = 1,173,106,953,364.80
  5. Step 5: Solve for x
    x = 1,173,106,953,364.80/1,175,811.44
  6. Step 6: Final answer
    x = 997,699.90

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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.