Home / 1,384,668.96-2,077,931.21-486,113.36

Finding the Fourth Proportional to 1,384,668.96, 2,077,931.21 and 486,113.36

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Solution

The fourth proportional to 1,384,668.96, 2,077,931.21 and 486,113.36 is: 729,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,668.96 : 2,077,931.21 = 486,113.36 : x
  2. Step 2: Convert to fraction form
    1,384,668.96/2,077,931.21 = 486,113.36/x
  3. Step 3: Cross multiply
    1,384,668.96x = 2,077,931.21 × 486,113.36
  4. Step 4: Simplify right side
    1,384,668.96x = 1,010,110,109,521.74
  5. Step 5: Solve for x
    x = 1,010,110,109,521.74/1,384,668.96
  6. Step 6: Final answer
    x = 729,495.74

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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.