Home / 1,590,394.69-2,194,580.82-945,690.31

Finding the Fourth Proportional to 1,590,394.69, 2,194,580.82 and 945,690.31

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Solution

The fourth proportional to 1,590,394.69, 2,194,580.82 and 945,690.31 is: 1,304,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,394.69 : 2,194,580.82 = 945,690.31 : x
  2. Step 2: Convert to fraction form
    1,590,394.69/2,194,580.82 = 945,690.31/x
  3. Step 3: Cross multiply
    1,590,394.69x = 2,194,580.82 × 945,690.31
  4. Step 4: Simplify right side
    1,590,394.69x = 2,075,393,815,985.85
  5. Step 5: Solve for x
    x = 2,075,393,815,985.85/1,590,394.69
  6. Step 6: Final answer
    x = 1,304,955.20

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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.