Home / 1,214,742.24-1,676,325.24-670,864.68

Finding the Fourth Proportional to 1,214,742.24, 1,676,325.24 and 670,864.68

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Solution

The fourth proportional to 1,214,742.24, 1,676,325.24 and 670,864.68 is: 925,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,742.24 : 1,676,325.24 = 670,864.68 : x
  2. Step 2: Convert to fraction form
    1,214,742.24/1,676,325.24 = 670,864.68/x
  3. Step 3: Cross multiply
    1,214,742.24x = 1,676,325.24 × 670,864.68
  4. Step 4: Simplify right side
    1,214,742.24x = 1,124,587,395,708.52
  5. Step 5: Solve for x
    x = 1,124,587,395,708.52/1,214,742.24
  6. Step 6: Final answer
    x = 925,782.74

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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.