Home / 1,019,433.21-1,407,031.88-646,655.01

Finding the Fourth Proportional to 1,019,433.21, 1,407,031.88 and 646,655.01

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Solution

The fourth proportional to 1,019,433.21, 1,407,031.88 and 646,655.01 is: 892,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,433.21 : 1,407,031.88 = 646,655.01 : x
  2. Step 2: Convert to fraction form
    1,019,433.21/1,407,031.88 = 646,655.01/x
  3. Step 3: Cross multiply
    1,019,433.21x = 1,407,031.88 × 646,655.01
  4. Step 4: Simplify right side
    1,019,433.21x = 909,864,214,431.72
  5. Step 5: Solve for x
    x = 909,864,214,431.72/1,019,433.21
  6. Step 6: Final answer
    x = 892,519.69

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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.