Home / 1,220,986.30-1,683,019.20-962,444.02

Finding the Fourth Proportional to 1,220,986.30, 1,683,019.20 and 962,444.02

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Solution

The fourth proportional to 1,220,986.30, 1,683,019.20 and 962,444.02 is: 1,326,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,986.30 : 1,683,019.20 = 962,444.02 : x
  2. Step 2: Convert to fraction form
    1,220,986.30/1,683,019.20 = 962,444.02/x
  3. Step 3: Cross multiply
    1,220,986.30x = 1,683,019.20 × 962,444.02
  4. Step 4: Simplify right side
    1,220,986.30x = 1,619,811,764,585.18
  5. Step 5: Solve for x
    x = 1,619,811,764,585.18/1,220,986.30
  6. Step 6: Final answer
    x = 1,326,642.05

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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.