Home / 1,500,060.40-2,070,118.78-855,466.75

Finding the Fourth Proportional to 1,500,060.40, 2,070,118.78 and 855,466.75

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Solution

The fourth proportional to 1,500,060.40, 2,070,118.78 and 855,466.75 is: 1,180,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,060.40 : 2,070,118.78 = 855,466.75 : x
  2. Step 2: Convert to fraction form
    1,500,060.40/2,070,118.78 = 855,466.75/x
  3. Step 3: Cross multiply
    1,500,060.40x = 2,070,118.78 × 855,466.75
  4. Step 4: Simplify right side
    1,500,060.40x = 1,770,917,778,817.68
  5. Step 5: Solve for x
    x = 1,770,917,778,817.68/1,500,060.40
  6. Step 6: Final answer
    x = 1,180,564.32

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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.