Home / 1,203,878.67-1,807,619.25-1,042,272.51

Finding the Fourth Proportional to 1,203,878.67, 1,807,619.25 and 1,042,272.51

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Solution

The fourth proportional to 1,203,878.67, 1,807,619.25 and 1,042,272.51 is: 1,564,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,878.67 : 1,807,619.25 = 1,042,272.51 : x
  2. Step 2: Convert to fraction form
    1,203,878.67/1,807,619.25 = 1,042,272.51/x
  3. Step 3: Cross multiply
    1,203,878.67x = 1,807,619.25 × 1,042,272.51
  4. Step 4: Simplify right side
    1,203,878.67x = 1,884,031,852,821.82
  5. Step 5: Solve for x
    x = 1,884,031,852,821.82/1,203,878.67
  6. Step 6: Final answer
    x = 1,564,968.21

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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.