Home / 986,124.08-1,482,707.20-908,179.40

Finding the Fourth Proportional to 986,124.08, 1,482,707.20 and 908,179.40

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Solution

The fourth proportional to 986,124.08, 1,482,707.20 and 908,179.40 is: 1,365,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,124.08 : 1,482,707.20 = 908,179.40 : x
  2. Step 2: Convert to fraction form
    986,124.08/1,482,707.20 = 908,179.40/x
  3. Step 3: Cross multiply
    986,124.08x = 1,482,707.20 × 908,179.40
  4. Step 4: Simplify right side
    986,124.08x = 1,346,564,135,271.68
  5. Step 5: Solve for x
    x = 1,346,564,135,271.68/986,124.08
  6. Step 6: Final answer
    x = 1,365,511.87

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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.