Home / 1,298,437.39-1,947,683.76-445,505.33

Finding the Fourth Proportional to 1,298,437.39, 1,947,683.76 and 445,505.33

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Solution

The fourth proportional to 1,298,437.39, 1,947,683.76 and 445,505.33 is: 668,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,437.39 : 1,947,683.76 = 445,505.33 : x
  2. Step 2: Convert to fraction form
    1,298,437.39/1,947,683.76 = 445,505.33/x
  3. Step 3: Cross multiply
    1,298,437.39x = 1,947,683.76 × 445,505.33
  4. Step 4: Simplify right side
    1,298,437.39x = 867,703,501,103.65
  5. Step 5: Solve for x
    x = 867,703,501,103.65/1,298,437.39
  6. Step 6: Final answer
    x = 668,267.50

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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.