Home / 1,361,461.09-1,878,800.87-749,601.35

Finding the Fourth Proportional to 1,361,461.09, 1,878,800.87 and 749,601.35

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Solution

The fourth proportional to 1,361,461.09, 1,878,800.87 and 749,601.35 is: 1,034,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,461.09 : 1,878,800.87 = 749,601.35 : x
  2. Step 2: Convert to fraction form
    1,361,461.09/1,878,800.87 = 749,601.35/x
  3. Step 3: Cross multiply
    1,361,461.09x = 1,878,800.87 × 749,601.35
  4. Step 4: Simplify right side
    1,361,461.09x = 1,408,351,664,785.17
  5. Step 5: Solve for x
    x = 1,408,351,664,785.17/1,361,461.09
  6. Step 6: Final answer
    x = 1,034,441.37

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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.