Home / 1,500,627.93-2,070,867.76-812,297.67

Finding the Fourth Proportional to 1,500,627.93, 2,070,867.76 and 812,297.67

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Solution

The fourth proportional to 1,500,627.93, 2,070,867.76 and 812,297.67 is: 1,120,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,627.93 : 2,070,867.76 = 812,297.67 : x
  2. Step 2: Convert to fraction form
    1,500,627.93/2,070,867.76 = 812,297.67/x
  3. Step 3: Cross multiply
    1,500,627.93x = 2,070,867.76 × 812,297.67
  4. Step 4: Simplify right side
    1,500,627.93x = 1,682,161,045,387.37
  5. Step 5: Solve for x
    x = 1,682,161,045,387.37/1,500,627.93
  6. Step 6: Final answer
    x = 1,120,971.43

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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.