Home / 1,268,964.81-1,903,559.40-358,155.41

Finding the Fourth Proportional to 1,268,964.81, 1,903,559.40 and 358,155.41

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Solution

The fourth proportional to 1,268,964.81, 1,903,559.40 and 358,155.41 is: 537,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,964.81 : 1,903,559.40 = 358,155.41 : x
  2. Step 2: Convert to fraction form
    1,268,964.81/1,903,559.40 = 358,155.41/x
  3. Step 3: Cross multiply
    1,268,964.81x = 1,903,559.40 × 358,155.41
  4. Step 4: Simplify right side
    1,268,964.81x = 681,770,087,848.56
  5. Step 5: Solve for x
    x = 681,770,087,848.56/1,268,964.81
  6. Step 6: Final answer
    x = 537,264.77

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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.