Home / 1,262,303.69-1,893,472.26-420,855.71

Finding the Fourth Proportional to 1,262,303.69, 1,893,472.26 and 420,855.71

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Solution

The fourth proportional to 1,262,303.69, 1,893,472.26 and 420,855.71 is: 631,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,303.69 : 1,893,472.26 = 420,855.71 : x
  2. Step 2: Convert to fraction form
    1,262,303.69/1,893,472.26 = 420,855.71/x
  3. Step 3: Cross multiply
    1,262,303.69x = 1,893,472.26 × 420,855.71
  4. Step 4: Simplify right side
    1,262,303.69x = 796,878,602,880.24
  5. Step 5: Solve for x
    x = 796,878,602,880.24/1,262,303.69
  6. Step 6: Final answer
    x = 631,289.14

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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.