Home / 1,295,574.45-1,943,305.55-442,722.21

Finding the Fourth Proportional to 1,295,574.45, 1,943,305.55 and 442,722.21

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Solution

The fourth proportional to 1,295,574.45, 1,943,305.55 and 442,722.21 is: 664,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,574.45 : 1,943,305.55 = 442,722.21 : x
  2. Step 2: Convert to fraction form
    1,295,574.45/1,943,305.55 = 442,722.21/x
  3. Step 3: Cross multiply
    1,295,574.45x = 1,943,305.55 × 442,722.21
  4. Step 4: Simplify right side
    1,295,574.45x = 860,344,525,587.65
  5. Step 5: Solve for x
    x = 860,344,525,587.65/1,295,574.45
  6. Step 6: Final answer
    x = 664,064.13

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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.