Home / 1,106,670.30-1,660,783.05-708,279.90

Finding the Fourth Proportional to 1,106,670.30, 1,660,783.05 and 708,279.90

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Solution

The fourth proportional to 1,106,670.30, 1,660,783.05 and 708,279.90 is: 1,062,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,670.30 : 1,660,783.05 = 708,279.90 : x
  2. Step 2: Convert to fraction form
    1,106,670.30/1,660,783.05 = 708,279.90/x
  3. Step 3: Cross multiply
    1,106,670.30x = 1,660,783.05 × 708,279.90
  4. Step 4: Simplify right side
    1,106,670.30x = 1,176,299,252,575.70
  5. Step 5: Solve for x
    x = 1,176,299,252,575.70/1,106,670.30
  6. Step 6: Final answer
    x = 1,062,917.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.