Home / 1,590,393.69-2,194,579.44-945,689.31

Finding the Fourth Proportional to 1,590,393.69, 2,194,579.44 and 945,689.31

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Solution

The fourth proportional to 1,590,393.69, 2,194,579.44 and 945,689.31 is: 1,304,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,393.69 : 2,194,579.44 = 945,689.31 : x
  2. Step 2: Convert to fraction form
    1,590,393.69/2,194,579.44 = 945,689.31/x
  3. Step 3: Cross multiply
    1,590,393.69x = 2,194,579.44 × 945,689.31
  4. Step 4: Simplify right side
    1,590,393.69x = 2,075,390,316,353.79
  5. Step 5: Solve for x
    x = 2,075,390,316,353.79/1,590,393.69
  6. Step 6: Final answer
    x = 1,304,953.82

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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.