Home / 1,038,525.23-1,557,912.21-318,772.66

Finding the Fourth Proportional to 1,038,525.23, 1,557,912.21 and 318,772.66

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Solution

The fourth proportional to 1,038,525.23, 1,557,912.21 and 318,772.66 is: 478,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,525.23 : 1,557,912.21 = 318,772.66 : x
  2. Step 2: Convert to fraction form
    1,038,525.23/1,557,912.21 = 318,772.66/x
  3. Step 3: Cross multiply
    1,038,525.23x = 1,557,912.21 × 318,772.66
  4. Step 4: Simplify right side
    1,038,525.23x = 496,619,819,228.18
  5. Step 5: Solve for x
    x = 496,619,819,228.18/1,038,525.23
  6. Step 6: Final answer
    x = 478,197.16

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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.