Home / 1,064,684.86-1,595,222.88-643,075

Finding the Fourth Proportional to 1,064,684.86, 1,595,222.88 and 643,075

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Solution

The fourth proportional to 1,064,684.86, 1,595,222.88 and 643,075 is: 963,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,684.86 : 1,595,222.88 = 643,075 : x
  2. Step 2: Convert to fraction form
    1,064,684.86/1,595,222.88 = 643,075/x
  3. Step 3: Cross multiply
    1,064,684.86x = 1,595,222.88 × 643,075
  4. Step 4: Simplify right side
    1,064,684.86x = 1,025,847,953,556.00
  5. Step 5: Solve for x
    x = 1,025,847,953,556.00/1,064,684.86
  6. Step 6: Final answer
    x = 963,522.63

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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.