Home / 1,426,416.60-2,139,722.10-453,703.80

Finding the Fourth Proportional to 1,426,416.60, 2,139,722.10 and 453,703.80

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Solution

The fourth proportional to 1,426,416.60, 2,139,722.10 and 453,703.80 is: 680,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,416.60 : 2,139,722.10 = 453,703.80 : x
  2. Step 2: Convert to fraction form
    1,426,416.60/2,139,722.10 = 453,703.80/x
  3. Step 3: Cross multiply
    1,426,416.60x = 2,139,722.10 × 453,703.80
  4. Step 4: Simplify right side
    1,426,416.60x = 970,800,047,713.98
  5. Step 5: Solve for x
    x = 970,800,047,713.98/1,426,416.60
  6. Step 6: Final answer
    x = 680,586.62

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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.