Home / 1,361,515.56-1,878,875.64-749,655.60

Finding the Fourth Proportional to 1,361,515.56, 1,878,875.64 and 749,655.60

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Solution

The fourth proportional to 1,361,515.56, 1,878,875.64 and 749,655.60 is: 1,034,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,515.56 : 1,878,875.64 = 749,655.60 : x
  2. Step 2: Convert to fraction form
    1,361,515.56/1,878,875.64 = 749,655.60/x
  3. Step 3: Cross multiply
    1,361,515.56x = 1,878,875.64 × 749,655.60
  4. Step 4: Simplify right side
    1,361,515.56x = 1,408,509,645,229.58
  5. Step 5: Solve for x
    x = 1,408,509,645,229.58/1,361,515.56
  6. Step 6: Final answer
    x = 1,034,516.01

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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.