Home / 1,409,947.32-2,115,270.90-412,675.32

Finding the Fourth Proportional to 1,409,947.32, 2,115,270.90 and 412,675.32

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Solution

The fourth proportional to 1,409,947.32, 2,115,270.90 and 412,675.32 is: 619,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,947.32 : 2,115,270.90 = 412,675.32 : x
  2. Step 2: Convert to fraction form
    1,409,947.32/2,115,270.90 = 412,675.32/x
  3. Step 3: Cross multiply
    1,409,947.32x = 2,115,270.90 × 412,675.32
  4. Step 4: Simplify right side
    1,409,947.32x = 872,920,095,544.19
  5. Step 5: Solve for x
    x = 872,920,095,544.19/1,409,947.32
  6. Step 6: Final answer
    x = 619,115.40

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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.