Home / 1,220,973.30-1,683,001.26-962,431.02

Finding the Fourth Proportional to 1,220,973.30, 1,683,001.26 and 962,431.02

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Solution

The fourth proportional to 1,220,973.30, 1,683,001.26 and 962,431.02 is: 1,326,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,973.30 : 1,683,001.26 = 962,431.02 : x
  2. Step 2: Convert to fraction form
    1,220,973.30/1,683,001.26 = 962,431.02/x
  3. Step 3: Cross multiply
    1,220,973.30x = 1,683,001.26 × 962,431.02
  4. Step 4: Simplify right side
    1,220,973.30x = 1,619,772,619,323.09
  5. Step 5: Solve for x
    x = 1,619,772,619,323.09/1,220,973.30
  6. Step 6: Final answer
    x = 1,326,624.11

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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.