Home / 1,145,441.60-1,718,162.40-665,176.40

Finding the Fourth Proportional to 1,145,441.60, 1,718,162.40 and 665,176.40

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Solution

The fourth proportional to 1,145,441.60, 1,718,162.40 and 665,176.40 is: 997,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,441.60 : 1,718,162.40 = 665,176.40 : x
  2. Step 2: Convert to fraction form
    1,145,441.60/1,718,162.40 = 665,176.40/x
  3. Step 3: Cross multiply
    1,145,441.60x = 1,718,162.40 × 665,176.40
  4. Step 4: Simplify right side
    1,145,441.60x = 1,142,881,079,847.36
  5. Step 5: Solve for x
    x = 1,142,881,079,847.36/1,145,441.60
  6. Step 6: Final answer
    x = 997,764.60

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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.