Home / 1,609,288.40-2,415,487.80-979,432.40

Finding the Fourth Proportional to 1,609,288.40, 2,415,487.80 and 979,432.40

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Solution

The fourth proportional to 1,609,288.40, 2,415,487.80 and 979,432.40 is: 1,470,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,288.40 : 2,415,487.80 = 979,432.40 : x
  2. Step 2: Convert to fraction form
    1,609,288.40/2,415,487.80 = 979,432.40/x
  3. Step 3: Cross multiply
    1,609,288.40x = 2,415,487.80 × 979,432.40
  4. Step 4: Simplify right side
    1,609,288.40x = 2,365,807,013,124.72
  5. Step 5: Solve for x
    x = 2,365,807,013,124.72/1,609,288.40
  6. Step 6: Final answer
    x = 1,470,095.11

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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.