Home / 1,788,012.90-2,682,019.35-525,840.53

Finding the Fourth Proportional to 1,788,012.90, 2,682,019.35 and 525,840.53

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Solution

The fourth proportional to 1,788,012.90, 2,682,019.35 and 525,840.53 is: 788,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,012.90 : 2,682,019.35 = 525,840.53 : x
  2. Step 2: Convert to fraction form
    1,788,012.90/2,682,019.35 = 525,840.53/x
  3. Step 3: Cross multiply
    1,788,012.90x = 2,682,019.35 × 525,840.53
  4. Step 4: Simplify right side
    1,788,012.90x = 1,410,314,463,064.16
  5. Step 5: Solve for x
    x = 1,410,314,463,064.16/1,788,012.90
  6. Step 6: Final answer
    x = 788,760.79

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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.