Home / 1,141,155.56-1,711,731.70-342,435.80

Finding the Fourth Proportional to 1,141,155.56, 1,711,731.70 and 342,435.80

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Solution

The fourth proportional to 1,141,155.56, 1,711,731.70 and 342,435.80 is: 513,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,155.56 : 1,711,731.70 = 342,435.80 : x
  2. Step 2: Convert to fraction form
    1,141,155.56/1,711,731.70 = 342,435.80/x
  3. Step 3: Cross multiply
    1,141,155.56x = 1,711,731.70 × 342,435.80
  4. Step 4: Simplify right side
    1,141,155.56x = 586,158,214,074.86
  5. Step 5: Solve for x
    x = 586,158,214,074.86/1,141,155.56
  6. Step 6: Final answer
    x = 513,653.21

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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.