Home / 1,404,816.69-1,938,651.80-760,236.69

Finding the Fourth Proportional to 1,404,816.69, 1,938,651.80 and 760,236.69

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Solution

The fourth proportional to 1,404,816.69, 1,938,651.80 and 760,236.69 is: 1,049,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,816.69 : 1,938,651.80 = 760,236.69 : x
  2. Step 2: Convert to fraction form
    1,404,816.69/1,938,651.80 = 760,236.69/x
  3. Step 3: Cross multiply
    1,404,816.69x = 1,938,651.80 × 760,236.69
  4. Step 4: Simplify right side
    1,404,816.69x = 1,473,834,223,693.36
  5. Step 5: Solve for x
    x = 1,473,834,223,693.36/1,404,816.69
  6. Step 6: Final answer
    x = 1,049,129.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.