Home / 997,253.80-1,385,501.07-985,296.40

Finding the Fourth Proportional to 997,253.80, 1,385,501.07 and 985,296.40

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Solution

The fourth proportional to 997,253.80, 1,385,501.07 and 985,296.40 is: 1,368,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,253.80 : 1,385,501.07 = 985,296.40 : x
  2. Step 2: Convert to fraction form
    997,253.80/1,385,501.07 = 985,296.40/x
  3. Step 3: Cross multiply
    997,253.80x = 1,385,501.07 × 985,296.40
  4. Step 4: Simplify right side
    997,253.80x = 1,365,129,216,467.15
  5. Step 5: Solve for x
    x = 1,365,129,216,467.15/997,253.80
  6. Step 6: Final answer
    x = 1,368,888.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.