Home / 1,463,378.40-2,193,570.72-990,113.76

Finding the Fourth Proportional to 1,463,378.40, 2,193,570.72 and 990,113.76

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Solution

The fourth proportional to 1,463,378.40, 2,193,570.72 and 990,113.76 is: 1,484,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,378.40 : 2,193,570.72 = 990,113.76 : x
  2. Step 2: Convert to fraction form
    1,463,378.40/2,193,570.72 = 990,113.76/x
  3. Step 3: Cross multiply
    1,463,378.40x = 2,193,570.72 × 990,113.76
  4. Step 4: Simplify right side
    1,463,378.40x = 2,171,884,553,405.11
  5. Step 5: Solve for x
    x = 2,171,884,553,405.11/1,463,378.40
  6. Step 6: Final answer
    x = 1,484,157.86

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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.