Home / 1,246,975.84-1,870,004.40-448,043.68

Finding the Fourth Proportional to 1,246,975.84, 1,870,004.40 and 448,043.68

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Solution

The fourth proportional to 1,246,975.84, 1,870,004.40 and 448,043.68 is: 671,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,975.84 : 1,870,004.40 = 448,043.68 : x
  2. Step 2: Convert to fraction form
    1,246,975.84/1,870,004.40 = 448,043.68/x
  3. Step 3: Cross multiply
    1,246,975.84x = 1,870,004.40 × 448,043.68
  4. Step 4: Simplify right side
    1,246,975.84x = 837,843,652,992.19
  5. Step 5: Solve for x
    x = 837,843,652,992.19/1,246,975.84
  6. Step 6: Final answer
    x = 671,900.47

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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.