Home / 1,140,783.50-1,712,857.42-636,330.08

Finding the Fourth Proportional to 1,140,783.50, 1,712,857.42 and 636,330.08

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Solution

The fourth proportional to 1,140,783.50, 1,712,857.42 and 636,330.08 is: 955,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,783.50 : 1,712,857.42 = 636,330.08 : x
  2. Step 2: Convert to fraction form
    1,140,783.50/1,712,857.42 = 636,330.08/x
  3. Step 3: Cross multiply
    1,140,783.50x = 1,712,857.42 × 636,330.08
  4. Step 4: Simplify right side
    1,140,783.50x = 1,089,942,699,097.19
  5. Step 5: Solve for x
    x = 1,089,942,699,097.19/1,140,783.50
  6. Step 6: Final answer
    x = 955,433.44

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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.