Home / 1,403,517.46-1,936,865.67-774,881.40

Finding the Fourth Proportional to 1,403,517.46, 1,936,865.67 and 774,881.40

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Solution

The fourth proportional to 1,403,517.46, 1,936,865.67 and 774,881.40 is: 1,069,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,517.46 : 1,936,865.67 = 774,881.40 : x
  2. Step 2: Convert to fraction form
    1,403,517.46/1,936,865.67 = 774,881.40/x
  3. Step 3: Cross multiply
    1,403,517.46x = 1,936,865.67 × 774,881.40
  4. Step 4: Simplify right side
    1,403,517.46x = 1,500,841,190,697.69
  5. Step 5: Solve for x
    x = 1,500,841,190,697.69/1,403,517.46
  6. Step 6: Final answer
    x = 1,069,342.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.