Home / 1,140,778.50-1,712,849.90-636,325.08

Finding the Fourth Proportional to 1,140,778.50, 1,712,849.90 and 636,325.08

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Solution

The fourth proportional to 1,140,778.50, 1,712,849.90 and 636,325.08 is: 955,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,778.50 : 1,712,849.90 = 636,325.08 : x
  2. Step 2: Convert to fraction form
    1,140,778.50/1,712,849.90 = 636,325.08/x
  3. Step 3: Cross multiply
    1,140,778.50x = 1,712,849.90 × 636,325.08
  4. Step 4: Simplify right side
    1,140,778.50x = 1,089,929,346,463.87
  5. Step 5: Solve for x
    x = 1,089,929,346,463.87/1,140,778.50
  6. Step 6: Final answer
    x = 955,425.92

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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.