Home / 1,019,577.79-1,529,267.35-309,611.98

Finding the Fourth Proportional to 1,019,577.79, 1,529,267.35 and 309,611.98

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Solution

The fourth proportional to 1,019,577.79, 1,529,267.35 and 309,611.98 is: 464,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,577.79 : 1,529,267.35 = 309,611.98 : x
  2. Step 2: Convert to fraction form
    1,019,577.79/1,529,267.35 = 309,611.98/x
  3. Step 3: Cross multiply
    1,019,577.79x = 1,529,267.35 × 309,611.98
  4. Step 4: Simplify right side
    1,019,577.79x = 473,479,492,182.85
  5. Step 5: Solve for x
    x = 473,479,492,182.85/1,019,577.79
  6. Step 6: Final answer
    x = 464,387.81

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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.