Home / 1,403.93-2,106.14-526.41

Finding the Fourth Proportional to 1,403.93, 2,106.14 and 526.41

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Solution

The fourth proportional to 1,403.93, 2,106.14 and 526.41 is: 789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.93 : 2,106.14 = 526.41 : x
  2. Step 2: Convert to fraction form
    1,403.93/2,106.14 = 526.41/x
  3. Step 3: Cross multiply
    1,403.93x = 2,106.14 × 526.41
  4. Step 4: Simplify right side
    1,403.93x = 1,108,690.53
  5. Step 5: Solve for x
    x = 1,108,690.53/1,403.93
  6. Step 6: Final answer
    x = 789.70

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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.