Home / 1,222,603.20-1,833,985.80-324,032.40

Finding the Fourth Proportional to 1,222,603.20, 1,833,985.80 and 324,032.40

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Solution

The fourth proportional to 1,222,603.20, 1,833,985.80 and 324,032.40 is: 486,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,603.20 : 1,833,985.80 = 324,032.40 : x
  2. Step 2: Convert to fraction form
    1,222,603.20/1,833,985.80 = 324,032.40/x
  3. Step 3: Cross multiply
    1,222,603.20x = 1,833,985.80 × 324,032.40
  4. Step 4: Simplify right side
    1,222,603.20x = 594,270,820,339.92
  5. Step 5: Solve for x
    x = 594,270,820,339.92/1,222,603.20
  6. Step 6: Final answer
    x = 486,070.07

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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.