Home / 1,300,621.59-1,949,307.39-626,577.21

Finding the Fourth Proportional to 1,300,621.59, 1,949,307.39 and 626,577.21

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Solution

The fourth proportional to 1,300,621.59, 1,949,307.39 and 626,577.21 is: 939,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,621.59 : 1,949,307.39 = 626,577.21 : x
  2. Step 2: Convert to fraction form
    1,300,621.59/1,949,307.39 = 626,577.21/x
  3. Step 3: Cross multiply
    1,300,621.59x = 1,949,307.39 × 626,577.21
  4. Step 4: Simplify right side
    1,300,621.59x = 1,221,391,585,858.58
  5. Step 5: Solve for x
    x = 1,221,391,585,858.58/1,300,621.59
  6. Step 6: Final answer
    x = 939,082.97

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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.