Home / 1,319,366.32-1,979,044.62-477,721.24

Finding the Fourth Proportional to 1,319,366.32, 1,979,044.62 and 477,721.24

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Solution

The fourth proportional to 1,319,366.32, 1,979,044.62 and 477,721.24 is: 716,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,366.32 : 1,979,044.62 = 477,721.24 : x
  2. Step 2: Convert to fraction form
    1,319,366.32/1,979,044.62 = 477,721.24/x
  3. Step 3: Cross multiply
    1,319,366.32x = 1,979,044.62 × 477,721.24
  4. Step 4: Simplify right side
    1,319,366.32x = 945,431,649,881.73
  5. Step 5: Solve for x
    x = 945,431,649,881.73/1,319,366.32
  6. Step 6: Final answer
    x = 716,580.10

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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.