Home / 1,393,018.48-1,921,551.04-875,954

Finding the Fourth Proportional to 1,393,018.48, 1,921,551.04 and 875,954

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Solution

The fourth proportional to 1,393,018.48, 1,921,551.04 and 875,954 is: 1,208,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,018.48 : 1,921,551.04 = 875,954 : x
  2. Step 2: Convert to fraction form
    1,393,018.48/1,921,551.04 = 875,954/x
  3. Step 3: Cross multiply
    1,393,018.48x = 1,921,551.04 × 875,954
  4. Step 4: Simplify right side
    1,393,018.48x = 1,683,190,319,692.16
  5. Step 5: Solve for x
    x = 1,683,190,319,692.16/1,393,018.48
  6. Step 6: Final answer
    x = 1,208,304.37

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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.