Home / 925,981.80-1,388,972.70-828,004.20

Finding the Fourth Proportional to 925,981.80, 1,388,972.70 and 828,004.20

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Solution

The fourth proportional to 925,981.80, 1,388,972.70 and 828,004.20 is: 1,242,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,981.80 : 1,388,972.70 = 828,004.20 : x
  2. Step 2: Convert to fraction form
    925,981.80/1,388,972.70 = 828,004.20/x
  3. Step 3: Cross multiply
    925,981.80x = 1,388,972.70 × 828,004.20
  4. Step 4: Simplify right side
    925,981.80x = 1,150,075,229,285.34
  5. Step 5: Solve for x
    x = 1,150,075,229,285.34/925,981.80
  6. Step 6: Final answer
    x = 1,242,006.30

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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.