Home / 1,276,897.74-1,910,615.47-1,023,409.42

Finding the Fourth Proportional to 1,276,897.74, 1,910,615.47 and 1,023,409.42

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Solution

The fourth proportional to 1,276,897.74, 1,910,615.47 and 1,023,409.42 is: 1,531,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,897.74 : 1,910,615.47 = 1,023,409.42 : x
  2. Step 2: Convert to fraction form
    1,276,897.74/1,910,615.47 = 1,023,409.42/x
  3. Step 3: Cross multiply
    1,276,897.74x = 1,910,615.47 × 1,023,409.42
  4. Step 4: Simplify right side
    1,276,897.74x = 1,955,341,869,995.73
  5. Step 5: Solve for x
    x = 1,955,341,869,995.73/1,276,897.74
  6. Step 6: Final answer
    x = 1,531,322.21

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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.