Home / 1,038,040.80-1,557,061.20-925,847.70

Finding the Fourth Proportional to 1,038,040.80, 1,557,061.20 and 925,847.70

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Solution

The fourth proportional to 1,038,040.80, 1,557,061.20 and 925,847.70 is: 1,388,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,040.80 : 1,557,061.20 = 925,847.70 : x
  2. Step 2: Convert to fraction form
    1,038,040.80/1,557,061.20 = 925,847.70/x
  3. Step 3: Cross multiply
    1,038,040.80x = 1,557,061.20 × 925,847.70
  4. Step 4: Simplify right side
    1,038,040.80x = 1,441,601,530,779.24
  5. Step 5: Solve for x
    x = 1,441,601,530,779.24/1,038,040.80
  6. Step 6: Final answer
    x = 1,388,771.55

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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.