Home / 1,347,006.34-1,860,415.09-981,113.59

Finding the Fourth Proportional to 1,347,006.34, 1,860,415.09 and 981,113.59

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Solution

The fourth proportional to 1,347,006.34, 1,860,415.09 and 981,113.59 is: 1,355,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,006.34 : 1,860,415.09 = 981,113.59 : x
  2. Step 2: Convert to fraction form
    1,347,006.34/1,860,415.09 = 981,113.59/x
  3. Step 3: Cross multiply
    1,347,006.34x = 1,860,415.09 × 981,113.59
  4. Step 4: Simplify right side
    1,347,006.34x = 1,825,278,527,840.07
  5. Step 5: Solve for x
    x = 1,825,278,527,840.07/1,347,006.34
  6. Step 6: Final answer
    x = 1,355,063.06

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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.