Home / 1,244,089.07-1,866,429.75-402,640.82

Finding the Fourth Proportional to 1,244,089.07, 1,866,429.75 and 402,640.82

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Solution

The fourth proportional to 1,244,089.07, 1,866,429.75 and 402,640.82 is: 604,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,089.07 : 1,866,429.75 = 402,640.82 : x
  2. Step 2: Convert to fraction form
    1,244,089.07/1,866,429.75 = 402,640.82/x
  3. Step 3: Cross multiply
    1,244,089.07x = 1,866,429.75 × 402,640.82
  4. Step 4: Simplify right side
    1,244,089.07x = 751,500,805,012.40
  5. Step 5: Solve for x
    x = 751,500,805,012.40/1,244,089.07
  6. Step 6: Final answer
    x = 604,057.08

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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.