Home / 942,012.90-1,413,019.35-905,271.30

Finding the Fourth Proportional to 942,012.90, 1,413,019.35 and 905,271.30

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Solution

The fourth proportional to 942,012.90, 1,413,019.35 and 905,271.30 is: 1,357,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,012.90 : 1,413,019.35 = 905,271.30 : x
  2. Step 2: Convert to fraction form
    942,012.90/1,413,019.35 = 905,271.30/x
  3. Step 3: Cross multiply
    942,012.90x = 1,413,019.35 × 905,271.30
  4. Step 4: Simplify right side
    942,012.90x = 1,279,165,863,899.66
  5. Step 5: Solve for x
    x = 1,279,165,863,899.66/942,012.90
  6. Step 6: Final answer
    x = 1,357,906.95

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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.