Home / 792,021.60-1,187,254.80-708,040.80

Finding the Fourth Proportional to 792,021.60, 1,187,254.80 and 708,040.80

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Solution

The fourth proportional to 792,021.60, 1,187,254.80 and 708,040.80 is: 1,061,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,021.60 : 1,187,254.80 = 708,040.80 : x
  2. Step 2: Convert to fraction form
    792,021.60/1,187,254.80 = 708,040.80/x
  3. Step 3: Cross multiply
    792,021.60x = 1,187,254.80 × 708,040.80
  4. Step 4: Simplify right side
    792,021.60x = 840,624,838,395.84
  5. Step 5: Solve for x
    x = 840,624,838,395.84/792,021.60
  6. Step 6: Final answer
    x = 1,061,366.05

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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.