Home / 1,280,785.37-1,767,486.62-700,017.80

Finding the Fourth Proportional to 1,280,785.37, 1,767,486.62 and 700,017.80

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Solution

The fourth proportional to 1,280,785.37, 1,767,486.62 and 700,017.80 is: 966,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,785.37 : 1,767,486.62 = 700,017.80 : x
  2. Step 2: Convert to fraction form
    1,280,785.37/1,767,486.62 = 700,017.80/x
  3. Step 3: Cross multiply
    1,280,785.37x = 1,767,486.62 × 700,017.80
  4. Step 4: Simplify right side
    1,280,785.37x = 1,237,272,088,174.45
  5. Step 5: Solve for x
    x = 1,237,272,088,174.45/1,280,785.37
  6. Step 6: Final answer
    x = 966,026.10

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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.