Home / 1,424,606.43-1,965,949.70-780,014.91

Finding the Fourth Proportional to 1,424,606.43, 1,965,949.70 and 780,014.91

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Solution

The fourth proportional to 1,424,606.43, 1,965,949.70 and 780,014.91 is: 1,076,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,606.43 : 1,965,949.70 = 780,014.91 : x
  2. Step 2: Convert to fraction form
    1,424,606.43/1,965,949.70 = 780,014.91/x
  3. Step 3: Cross multiply
    1,424,606.43x = 1,965,949.70 × 780,014.91
  4. Step 4: Simplify right side
    1,424,606.43x = 1,533,470,074,409.95
  5. Step 5: Solve for x
    x = 1,533,470,074,409.95/1,424,606.43
  6. Step 6: Final answer
    x = 1,076,416.65

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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.