Home / 1,308,793.90-1,964,240.74-677,888.14

Finding the Fourth Proportional to 1,308,793.90, 1,964,240.74 and 677,888.14

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Solution

The fourth proportional to 1,308,793.90, 1,964,240.74 and 677,888.14 is: 1,017,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,793.90 : 1,964,240.74 = 677,888.14 : x
  2. Step 2: Convert to fraction form
    1,308,793.90/1,964,240.74 = 677,888.14/x
  3. Step 3: Cross multiply
    1,308,793.90x = 1,964,240.74 × 677,888.14
  4. Step 4: Simplify right side
    1,308,793.90x = 1,331,535,501,750.82
  5. Step 5: Solve for x
    x = 1,331,535,501,750.82/1,308,793.90
  6. Step 6: Final answer
    x = 1,017,376.00

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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.