Home / 830,433.80-1,243,682.40-830,433.80

Finding the Fourth Proportional to 830,433.80, 1,243,682.40 and 830,433.80

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Solution

The fourth proportional to 830,433.80, 1,243,682.40 and 830,433.80 is: 1,243,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,433.80 : 1,243,682.40 = 830,433.80 : x
  2. Step 2: Convert to fraction form
    830,433.80/1,243,682.40 = 830,433.80/x
  3. Step 3: Cross multiply
    830,433.80x = 1,243,682.40 × 830,433.80
  4. Step 4: Simplify right side
    830,433.80x = 1,032,795,901,425.12
  5. Step 5: Solve for x
    x = 1,032,795,901,425.12/830,433.80
  6. Step 6: Final answer
    x = 1,243,682.40

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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.