Home / 1,140,784.33-1,712,858.64-636,330.91

Finding the Fourth Proportional to 1,140,784.33, 1,712,858.64 and 636,330.91

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Solution

The fourth proportional to 1,140,784.33, 1,712,858.64 and 636,330.91 is: 955,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,784.33 : 1,712,858.64 = 636,330.91 : x
  2. Step 2: Convert to fraction form
    1,140,784.33/1,712,858.64 = 636,330.91/x
  3. Step 3: Cross multiply
    1,140,784.33x = 1,712,858.64 × 636,330.91
  4. Step 4: Simplify right side
    1,140,784.33x = 1,089,944,897,092.56
  5. Step 5: Solve for x
    x = 1,089,944,897,092.56/1,140,784.33
  6. Step 6: Final answer
    x = 955,434.67

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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.