Home / 1,183,728.32-1,776,040-710,742.72

Finding the Fourth Proportional to 1,183,728.32, 1,776,040 and 710,742.72

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Solution

The fourth proportional to 1,183,728.32, 1,776,040 and 710,742.72 is: 1,066,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,728.32 : 1,776,040 = 710,742.72 : x
  2. Step 2: Convert to fraction form
    1,183,728.32/1,776,040 = 710,742.72/x
  3. Step 3: Cross multiply
    1,183,728.32x = 1,776,040 × 710,742.72
  4. Step 4: Simplify right side
    1,183,728.32x = 1,262,307,500,428.80
  5. Step 5: Solve for x
    x = 1,262,307,500,428.80/1,183,728.32
  6. Step 6: Final answer
    x = 1,066,382.78

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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.