Home / 1,300,522.80-1,948,019.40-852,625.20

Finding the Fourth Proportional to 1,300,522.80, 1,948,019.40 and 852,625.20

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Solution

The fourth proportional to 1,300,522.80, 1,948,019.40 and 852,625.20 is: 1,277,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,522.80 : 1,948,019.40 = 852,625.20 : x
  2. Step 2: Convert to fraction form
    1,300,522.80/1,948,019.40 = 852,625.20/x
  3. Step 3: Cross multiply
    1,300,522.80x = 1,948,019.40 × 852,625.20
  4. Step 4: Simplify right side
    1,300,522.80x = 1,660,930,430,528.88
  5. Step 5: Solve for x
    x = 1,660,930,430,528.88/1,300,522.80
  6. Step 6: Final answer
    x = 1,277,125.19

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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.