Home / 1,221,203.02-1,683,312.96-962,658.34

Finding the Fourth Proportional to 1,221,203.02, 1,683,312.96 and 962,658.34

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Solution

The fourth proportional to 1,221,203.02, 1,683,312.96 and 962,658.34 is: 1,326,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,203.02 : 1,683,312.96 = 962,658.34 : x
  2. Step 2: Convert to fraction form
    1,221,203.02/1,683,312.96 = 962,658.34/x
  3. Step 3: Cross multiply
    1,221,203.02x = 1,683,312.96 × 962,658.34
  4. Step 4: Simplify right side
    1,221,203.02x = 1,620,455,259,774.09
  5. Step 5: Solve for x
    x = 1,620,455,259,774.09/1,221,203.02
  6. Step 6: Final answer
    x = 1,326,933.55

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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.