Home / 1,107,492.40-1,659,926.40-994,643.20

Finding the Fourth Proportional to 1,107,492.40, 1,659,926.40 and 994,643.20

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Solution

The fourth proportional to 1,107,492.40, 1,659,926.40 and 994,643.20 is: 1,490,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,492.40 : 1,659,926.40 = 994,643.20 : x
  2. Step 2: Convert to fraction form
    1,107,492.40/1,659,926.40 = 994,643.20/x
  3. Step 3: Cross multiply
    1,107,492.40x = 1,659,926.40 × 994,643.20
  4. Step 4: Simplify right side
    1,107,492.40x = 1,651,034,506,260.48
  5. Step 5: Solve for x
    x = 1,651,034,506,260.48/1,107,492.40
  6. Step 6: Final answer
    x = 1,490,786.31

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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.