Home / 1,280,970.42-1,767,746.13-700,194.33

Finding the Fourth Proportional to 1,280,970.42, 1,767,746.13 and 700,194.33

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Solution

The fourth proportional to 1,280,970.42, 1,767,746.13 and 700,194.33 is: 966,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,970.42 : 1,767,746.13 = 700,194.33 : x
  2. Step 2: Convert to fraction form
    1,280,970.42/1,767,746.13 = 700,194.33/x
  3. Step 3: Cross multiply
    1,280,970.42x = 1,767,746.13 × 700,194.33
  4. Step 4: Simplify right side
    1,280,970.42x = 1,237,765,817,105.44
  5. Step 5: Solve for x
    x = 1,237,765,817,105.44/1,280,970.42
  6. Step 6: Final answer
    x = 966,271.97

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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.