Home / 1,385,913-1,912,559.94-750,009

Finding the Fourth Proportional to 1,385,913, 1,912,559.94 and 750,009

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Solution

The fourth proportional to 1,385,913, 1,912,559.94 and 750,009 is: 1,035,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,913 : 1,912,559.94 = 750,009 : x
  2. Step 2: Convert to fraction form
    1,385,913/1,912,559.94 = 750,009/x
  3. Step 3: Cross multiply
    1,385,913x = 1,912,559.94 × 750,009
  4. Step 4: Simplify right side
    1,385,913x = 1,434,437,168,039.46
  5. Step 5: Solve for x
    x = 1,434,437,168,039.46/1,385,913
  6. Step 6: Final answer
    x = 1,035,012.42

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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.