Home / 1,421,470.68-2,131,425.15-700,225.39

Finding the Fourth Proportional to 1,421,470.68, 2,131,425.15 and 700,225.39

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Solution

The fourth proportional to 1,421,470.68, 2,131,425.15 and 700,225.39 is: 1,049,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,470.68 : 2,131,425.15 = 700,225.39 : x
  2. Step 2: Convert to fraction form
    1,421,470.68/2,131,425.15 = 700,225.39/x
  3. Step 3: Cross multiply
    1,421,470.68x = 2,131,425.15 × 700,225.39
  4. Step 4: Simplify right side
    1,421,470.68x = 1,492,478,006,914.56
  5. Step 5: Solve for x
    x = 1,492,478,006,914.56/1,421,470.68
  6. Step 6: Final answer
    x = 1,049,953.42

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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.