Home / 1,385,596.55-1,913,022.97-1,240,150.46

Finding the Fourth Proportional to 1,385,596.55, 1,913,022.97 and 1,240,150.46

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Solution

The fourth proportional to 1,385,596.55, 1,913,022.97 and 1,240,150.46 is: 1,712,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,596.55 : 1,913,022.97 = 1,240,150.46 : x
  2. Step 2: Convert to fraction form
    1,385,596.55/1,913,022.97 = 1,240,150.46/x
  3. Step 3: Cross multiply
    1,385,596.55x = 1,913,022.97 × 1,240,150.46
  4. Step 4: Simplify right side
    1,385,596.55x = 2,372,436,303,570.58
  5. Step 5: Solve for x
    x = 2,372,436,303,570.58/1,385,596.55
  6. Step 6: Final answer
    x = 1,712,212.92

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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.