Home / 1,629,075.50-2,443,730.07-430,983.57

Finding the Fourth Proportional to 1,629,075.50, 2,443,730.07 and 430,983.57

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Solution

The fourth proportional to 1,629,075.50, 2,443,730.07 and 430,983.57 is: 646,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,075.50 : 2,443,730.07 = 430,983.57 : x
  2. Step 2: Convert to fraction form
    1,629,075.50/2,443,730.07 = 430,983.57/x
  3. Step 3: Cross multiply
    1,629,075.50x = 2,443,730.07 × 430,983.57
  4. Step 4: Simplify right side
    1,629,075.50x = 1,053,207,509,684.95
  5. Step 5: Solve for x
    x = 1,053,207,509,684.95/1,629,075.50
  6. Step 6: Final answer
    x = 646,506.26

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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.