Home / 1,361,297.81-1,878,556.63-749,444.46

Finding the Fourth Proportional to 1,361,297.81, 1,878,556.63 and 749,444.46

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Solution

The fourth proportional to 1,361,297.81, 1,878,556.63 and 749,444.46 is: 1,034,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,297.81 : 1,878,556.63 = 749,444.46 : x
  2. Step 2: Convert to fraction form
    1,361,297.81/1,878,556.63 = 749,444.46/x
  3. Step 3: Cross multiply
    1,361,297.81x = 1,878,556.63 × 749,444.46
  4. Step 4: Simplify right side
    1,361,297.81x = 1,407,873,859,149.77
  5. Step 5: Solve for x
    x = 1,407,873,859,149.77/1,361,297.81
  6. Step 6: Final answer
    x = 1,034,214.45

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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.