Home / 1,173,445.87-1,759,884.29-320,521.51

Finding the Fourth Proportional to 1,173,445.87, 1,759,884.29 and 320,521.51

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Solution

The fourth proportional to 1,173,445.87, 1,759,884.29 and 320,521.51 is: 480,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,445.87 : 1,759,884.29 = 320,521.51 : x
  2. Step 2: Convert to fraction form
    1,173,445.87/1,759,884.29 = 320,521.51/x
  3. Step 3: Cross multiply
    1,173,445.87x = 1,759,884.29 × 320,521.51
  4. Step 4: Simplify right side
    1,173,445.87x = 564,080,768,453.47
  5. Step 5: Solve for x
    x = 564,080,768,453.47/1,173,445.87
  6. Step 6: Final answer
    x = 480,704.55

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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.