Home / 1,154,889-1,732,304.34-313,418.88

Finding the Fourth Proportional to 1,154,889, 1,732,304.34 and 313,418.88

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Solution

The fourth proportional to 1,154,889, 1,732,304.34 and 313,418.88 is: 470,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,889 : 1,732,304.34 = 313,418.88 : x
  2. Step 2: Convert to fraction form
    1,154,889/1,732,304.34 = 313,418.88/x
  3. Step 3: Cross multiply
    1,154,889x = 1,732,304.34 × 313,418.88
  4. Step 4: Simplify right side
    1,154,889x = 542,936,886,061.94
  5. Step 5: Solve for x
    x = 542,936,886,061.94/1,154,889
  6. Step 6: Final answer
    x = 470,120.41

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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.