Home / 1,118,913.54-1,542,878.77-755,706.81

Finding the Fourth Proportional to 1,118,913.54, 1,542,878.77 and 755,706.81

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Solution

The fourth proportional to 1,118,913.54, 1,542,878.77 and 755,706.81 is: 1,042,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,913.54 : 1,542,878.77 = 755,706.81 : x
  2. Step 2: Convert to fraction form
    1,118,913.54/1,542,878.77 = 755,706.81/x
  3. Step 3: Cross multiply
    1,118,913.54x = 1,542,878.77 × 755,706.81
  4. Step 4: Simplify right side
    1,118,913.54x = 1,165,963,993,493.42
  5. Step 5: Solve for x
    x = 1,165,963,993,493.42/1,118,913.54
  6. Step 6: Final answer
    x = 1,042,050.12

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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.