Home / 1,622,417.61-2,239,235.82-1,042,365.85

Finding the Fourth Proportional to 1,622,417.61, 2,239,235.82 and 1,042,365.85

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Solution

The fourth proportional to 1,622,417.61, 2,239,235.82 and 1,042,365.85 is: 1,438,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,417.61 : 2,239,235.82 = 1,042,365.85 : x
  2. Step 2: Convert to fraction form
    1,622,417.61/2,239,235.82 = 1,042,365.85/x
  3. Step 3: Cross multiply
    1,622,417.61x = 2,239,235.82 × 1,042,365.85
  4. Step 4: Simplify right side
    1,622,417.61x = 2,334,102,949,564.51
  5. Step 5: Solve for x
    x = 2,334,102,949,564.51/1,622,417.61
  6. Step 6: Final answer
    x = 1,438,657.31

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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.