Home / 909,839.59-1,362,063.70-674,239.75

Finding the Fourth Proportional to 909,839.59, 1,362,063.70 and 674,239.75

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Solution

The fourth proportional to 909,839.59, 1,362,063.70 and 674,239.75 is: 1,009,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,839.59 : 1,362,063.70 = 674,239.75 : x
  2. Step 2: Convert to fraction form
    909,839.59/1,362,063.70 = 674,239.75/x
  3. Step 3: Cross multiply
    909,839.59x = 1,362,063.70 × 674,239.75
  4. Step 4: Simplify right side
    909,839.59x = 918,357,486,009.72
  5. Step 5: Solve for x
    x = 918,357,486,009.72/909,839.59
  6. Step 6: Final answer
    x = 1,009,361.98

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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.