Home / 1,310,021.44-1,965,031.84-363,392.16

Finding the Fourth Proportional to 1,310,021.44, 1,965,031.84 and 363,392.16

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Solution

The fourth proportional to 1,310,021.44, 1,965,031.84 and 363,392.16 is: 545,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,021.44 : 1,965,031.84 = 363,392.16 : x
  2. Step 2: Convert to fraction form
    1,310,021.44/1,965,031.84 = 363,392.16/x
  3. Step 3: Cross multiply
    1,310,021.44x = 1,965,031.84 × 363,392.16
  4. Step 4: Simplify right side
    1,310,021.44x = 714,077,164,806.37
  5. Step 5: Solve for x
    x = 714,077,164,806.37/1,310,021.44
  6. Step 6: Final answer
    x = 545,088.15

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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.