Home / 1,008,049.34-1,511,835.15-288,368.86

Finding the Fourth Proportional to 1,008,049.34, 1,511,835.15 and 288,368.86

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Solution

The fourth proportional to 1,008,049.34, 1,511,835.15 and 288,368.86 is: 432,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,049.34 : 1,511,835.15 = 288,368.86 : x
  2. Step 2: Convert to fraction form
    1,008,049.34/1,511,835.15 = 288,368.86/x
  3. Step 3: Cross multiply
    1,008,049.34x = 1,511,835.15 × 288,368.86
  4. Step 4: Simplify right side
    1,008,049.34x = 435,966,178,713.43
  5. Step 5: Solve for x
    x = 435,966,178,713.43/1,008,049.34
  6. Step 6: Final answer
    x = 432,484.96

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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.