Home / 1,211,925.03-1,672,467.99-668,080.32

Finding the Fourth Proportional to 1,211,925.03, 1,672,467.99 and 668,080.32

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Solution

The fourth proportional to 1,211,925.03, 1,672,467.99 and 668,080.32 is: 921,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,925.03 : 1,672,467.99 = 668,080.32 : x
  2. Step 2: Convert to fraction form
    1,211,925.03/1,672,467.99 = 668,080.32/x
  3. Step 3: Cross multiply
    1,211,925.03x = 1,672,467.99 × 668,080.32
  4. Step 4: Simplify right side
    1,211,925.03x = 1,117,342,949,948.96
  5. Step 5: Solve for x
    x = 1,117,342,949,948.96/1,211,925.03
  6. Step 6: Final answer
    x = 921,957.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.