Home / 890,994.30-1,336,491.45-828,008.70

Finding the Fourth Proportional to 890,994.30, 1,336,491.45 and 828,008.70

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Solution

The fourth proportional to 890,994.30, 1,336,491.45 and 828,008.70 is: 1,242,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,994.30 : 1,336,491.45 = 828,008.70 : x
  2. Step 2: Convert to fraction form
    890,994.30/1,336,491.45 = 828,008.70/x
  3. Step 3: Cross multiply
    890,994.30x = 1,336,491.45 × 828,008.70
  4. Step 4: Simplify right side
    890,994.30x = 1,106,626,548,075.62
  5. Step 5: Solve for x
    x = 1,106,626,548,075.62/890,994.30
  6. Step 6: Final answer
    x = 1,242,013.05

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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.