Home / 1,472,713.68-2,205,527.56-839,708.40

Finding the Fourth Proportional to 1,472,713.68, 2,205,527.56 and 839,708.40

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Solution

The fourth proportional to 1,472,713.68, 2,205,527.56 and 839,708.40 is: 1,257,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,713.68 : 2,205,527.56 = 839,708.40 : x
  2. Step 2: Convert to fraction form
    1,472,713.68/2,205,527.56 = 839,708.40/x
  3. Step 3: Cross multiply
    1,472,713.68x = 2,205,527.56 × 839,708.40
  4. Step 4: Simplify right side
    1,472,713.68x = 1,852,000,018,563.50
  5. Step 5: Solve for x
    x = 1,852,000,018,563.50/1,472,713.68
  6. Step 6: Final answer
    x = 1,257,542.48

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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.