Home / 1,283,900.63-1,771,760.97-710,928.50

Finding the Fourth Proportional to 1,283,900.63, 1,771,760.97 and 710,928.50

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Solution

The fourth proportional to 1,283,900.63, 1,771,760.97 and 710,928.50 is: 981,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,900.63 : 1,771,760.97 = 710,928.50 : x
  2. Step 2: Convert to fraction form
    1,283,900.63/1,771,760.97 = 710,928.50/x
  3. Step 3: Cross multiply
    1,283,900.63x = 1,771,760.97 × 710,928.50
  4. Step 4: Simplify right side
    1,283,900.63x = 1,259,595,359,901.84
  5. Step 5: Solve for x
    x = 1,259,595,359,901.84/1,283,900.63
  6. Step 6: Final answer
    x = 981,069.20

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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.