Home / 1,601,312.80-2,401,191.60-890,586.40

Finding the Fourth Proportional to 1,601,312.80, 2,401,191.60 and 890,586.40

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Solution

The fourth proportional to 1,601,312.80, 2,401,191.60 and 890,586.40 is: 1,335,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,312.80 : 2,401,191.60 = 890,586.40 : x
  2. Step 2: Convert to fraction form
    1,601,312.80/2,401,191.60 = 890,586.40/x
  3. Step 3: Cross multiply
    1,601,312.80x = 2,401,191.60 × 890,586.40
  4. Step 4: Simplify right side
    1,601,312.80x = 2,138,468,582,754.24
  5. Step 5: Solve for x
    x = 2,138,468,582,754.24/1,601,312.80
  6. Step 6: Final answer
    x = 1,335,447.13

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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.