Home / 1,051,278.45-1,571,157.81-767,567.14

Finding the Fourth Proportional to 1,051,278.45, 1,571,157.81 and 767,567.14

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Solution

The fourth proportional to 1,051,278.45, 1,571,157.81 and 767,567.14 is: 1,147,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,278.45 : 1,571,157.81 = 767,567.14 : x
  2. Step 2: Convert to fraction form
    1,051,278.45/1,571,157.81 = 767,567.14/x
  3. Step 3: Cross multiply
    1,051,278.45x = 1,571,157.81 × 767,567.14
  4. Step 4: Simplify right side
    1,051,278.45x = 1,205,969,102,782.47
  5. Step 5: Solve for x
    x = 1,205,969,102,782.47/1,051,278.45
  6. Step 6: Final answer
    x = 1,147,145.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.