Home / 1,405,260.63-1,939,260.83-760,678.83

Finding the Fourth Proportional to 1,405,260.63, 1,939,260.83 and 760,678.83

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Solution

The fourth proportional to 1,405,260.63, 1,939,260.83 and 760,678.83 is: 1,049,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,260.63 : 1,939,260.83 = 760,678.83 : x
  2. Step 2: Convert to fraction form
    1,405,260.63/1,939,260.83 = 760,678.83/x
  3. Step 3: Cross multiply
    1,405,260.63x = 1,939,260.83 × 760,678.83
  4. Step 4: Simplify right side
    1,405,260.63x = 1,475,154,655,425.83
  5. Step 5: Solve for x
    x = 1,475,154,655,425.83/1,405,260.63
  6. Step 6: Final answer
    x = 1,049,737.41

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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.