Home / 1,280,820.54-1,767,537.90-700,055.40

Finding the Fourth Proportional to 1,280,820.54, 1,767,537.90 and 700,055.40

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Solution

The fourth proportional to 1,280,820.54, 1,767,537.90 and 700,055.40 is: 966,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,820.54 : 1,767,537.90 = 700,055.40 : x
  2. Step 2: Convert to fraction form
    1,280,820.54/1,767,537.90 = 700,055.40/x
  3. Step 3: Cross multiply
    1,280,820.54x = 1,767,537.90 × 700,055.40
  4. Step 4: Simplify right side
    1,280,820.54x = 1,237,374,451,599.66
  5. Step 5: Solve for x
    x = 1,237,374,451,599.66/1,280,820.54
  6. Step 6: Final answer
    x = 966,079.49

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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.