Home / 1,541,661.81-2,311,695.91-676,742.72

Finding the Fourth Proportional to 1,541,661.81, 2,311,695.91 and 676,742.72

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Solution

The fourth proportional to 1,541,661.81, 2,311,695.91 and 676,742.72 is: 1,014,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,661.81 : 2,311,695.91 = 676,742.72 : x
  2. Step 2: Convert to fraction form
    1,541,661.81/2,311,695.91 = 676,742.72/x
  3. Step 3: Cross multiply
    1,541,661.81x = 2,311,695.91 × 676,742.72
  4. Step 4: Simplify right side
    1,541,661.81x = 1,564,423,368,303.22
  5. Step 5: Solve for x
    x = 1,564,423,368,303.22/1,541,661.81
  6. Step 6: Final answer
    x = 1,014,764.30

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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.