Home / 1,319,551.76-1,979,329.56-477,906.32

Finding the Fourth Proportional to 1,319,551.76, 1,979,329.56 and 477,906.32

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Solution

The fourth proportional to 1,319,551.76, 1,979,329.56 and 477,906.32 is: 716,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,551.76 : 1,979,329.56 = 477,906.32 : x
  2. Step 2: Convert to fraction form
    1,319,551.76/1,979,329.56 = 477,906.32/x
  3. Step 3: Cross multiply
    1,319,551.76x = 1,979,329.56 × 477,906.32
  4. Step 4: Simplify right side
    1,319,551.76x = 945,934,106,086.82
  5. Step 5: Solve for x
    x = 945,934,106,086.82/1,319,551.76
  6. Step 6: Final answer
    x = 716,860.18

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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.