Home / 1,405,890.04-1,940,124.76-761,310.24

Finding the Fourth Proportional to 1,405,890.04, 1,940,124.76 and 761,310.24

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Solution

The fourth proportional to 1,405,890.04, 1,940,124.76 and 761,310.24 is: 1,050,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,890.04 : 1,940,124.76 = 761,310.24 : x
  2. Step 2: Convert to fraction form
    1,405,890.04/1,940,124.76 = 761,310.24/x
  3. Step 3: Cross multiply
    1,405,890.04x = 1,940,124.76 × 761,310.24
  4. Step 4: Simplify right side
    1,405,890.04x = 1,477,036,846,665.54
  5. Step 5: Solve for x
    x = 1,477,036,846,665.54/1,405,890.04
  6. Step 6: Final answer
    x = 1,050,606.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.