Home / 1,551,605.09-2,322,429.44-830,142

Finding the Fourth Proportional to 1,551,605.09, 2,322,429.44 and 830,142

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Solution

The fourth proportional to 1,551,605.09, 2,322,429.44 and 830,142 is: 1,242,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,605.09 : 2,322,429.44 = 830,142 : x
  2. Step 2: Convert to fraction form
    1,551,605.09/2,322,429.44 = 830,142/x
  3. Step 3: Cross multiply
    1,551,605.09x = 2,322,429.44 × 830,142
  4. Step 4: Simplify right side
    1,551,605.09x = 1,927,946,216,029.77
  5. Step 5: Solve for x
    x = 1,927,946,216,029.77/1,551,605.09
  6. Step 6: Final answer
    x = 1,242,549.56

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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.