Home / 1,405,731.52-1,939,910.70-761,152.06

Finding the Fourth Proportional to 1,405,731.52, 1,939,910.70 and 761,152.06

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Solution

The fourth proportional to 1,405,731.52, 1,939,910.70 and 761,152.06 is: 1,050,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,731.52 : 1,939,910.70 = 761,152.06 : x
  2. Step 2: Convert to fraction form
    1,405,731.52/1,939,910.70 = 761,152.06/x
  3. Step 3: Cross multiply
    1,405,731.52x = 1,939,910.70 × 761,152.06
  4. Step 4: Simplify right side
    1,405,731.52x = 1,476,567,025,521.04
  5. Step 5: Solve for x
    x = 1,476,567,025,521.04/1,405,731.52
  6. Step 6: Final answer
    x = 1,050,390.49

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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.