Home / 1,048,721.90-1,574,265.45-694,427.90

Finding the Fourth Proportional to 1,048,721.90, 1,574,265.45 and 694,427.90

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Solution

The fourth proportional to 1,048,721.90, 1,574,265.45 and 694,427.90 is: 1,042,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,721.90 : 1,574,265.45 = 694,427.90 : x
  2. Step 2: Convert to fraction form
    1,048,721.90/1,574,265.45 = 694,427.90/x
  3. Step 3: Cross multiply
    1,048,721.90x = 1,574,265.45 × 694,427.90
  4. Step 4: Simplify right side
    1,048,721.90x = 1,093,213,850,486.06
  5. Step 5: Solve for x
    x = 1,093,213,850,486.06/1,048,721.90
  6. Step 6: Final answer
    x = 1,042,424.93

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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.