Home / 1,107,704.61-1,528,754.60-642,660.93

Finding the Fourth Proportional to 1,107,704.61, 1,528,754.60 and 642,660.93

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Solution

The fourth proportional to 1,107,704.61, 1,528,754.60 and 642,660.93 is: 886,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,704.61 : 1,528,754.60 = 642,660.93 : x
  2. Step 2: Convert to fraction form
    1,107,704.61/1,528,754.60 = 642,660.93/x
  3. Step 3: Cross multiply
    1,107,704.61x = 1,528,754.60 × 642,660.93
  4. Step 4: Simplify right side
    1,107,704.61x = 982,470,854,584.43
  5. Step 5: Solve for x
    x = 982,470,854,584.43/1,107,704.61
  6. Step 6: Final answer
    x = 886,943.00

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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.