Home / 1,202,129.70-1,802,779.42-348,970.06

Finding the Fourth Proportional to 1,202,129.70, 1,802,779.42 and 348,970.06

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Solution

The fourth proportional to 1,202,129.70, 1,802,779.42 and 348,970.06 is: 523,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,129.70 : 1,802,779.42 = 348,970.06 : x
  2. Step 2: Convert to fraction form
    1,202,129.70/1,802,779.42 = 348,970.06/x
  3. Step 3: Cross multiply
    1,202,129.70x = 1,802,779.42 × 348,970.06
  4. Step 4: Simplify right side
    1,202,129.70x = 629,116,042,364.17
  5. Step 5: Solve for x
    x = 629,116,042,364.17/1,202,129.70
  6. Step 6: Final answer
    x = 523,334.58

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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.