Home / 1,298,435.70-1,947,681.22-445,503.65

Finding the Fourth Proportional to 1,298,435.70, 1,947,681.22 and 445,503.65

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Solution

The fourth proportional to 1,298,435.70, 1,947,681.22 and 445,503.65 is: 668,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,435.70 : 1,947,681.22 = 445,503.65 : x
  2. Step 2: Convert to fraction form
    1,298,435.70/1,947,681.22 = 445,503.65/x
  3. Step 3: Cross multiply
    1,298,435.70x = 1,947,681.22 × 445,503.65
  4. Step 4: Simplify right side
    1,298,435.70x = 867,699,083,782.59
  5. Step 5: Solve for x
    x = 867,699,083,782.59/1,298,435.70
  6. Step 6: Final answer
    x = 668,264.96

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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.