Home / 1,428,800.04-2,142,889.02-718,073.64

Finding the Fourth Proportional to 1,428,800.04, 2,142,889.02 and 718,073.64

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Solution

The fourth proportional to 1,428,800.04, 2,142,889.02 and 718,073.64 is: 1,076,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,800.04 : 2,142,889.02 = 718,073.64 : x
  2. Step 2: Convert to fraction form
    1,428,800.04/2,142,889.02 = 718,073.64/x
  3. Step 3: Cross multiply
    1,428,800.04x = 2,142,889.02 × 718,073.64
  4. Step 4: Simplify right side
    1,428,800.04x = 1,538,752,118,707.43
  5. Step 5: Solve for x
    x = 1,538,752,118,707.43/1,428,800.04
  6. Step 6: Final answer
    x = 1,076,954.14

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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.