Home / 1,675,439.64-2,312,116.74-911,498.67

Finding the Fourth Proportional to 1,675,439.64, 2,312,116.74 and 911,498.67

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Solution

The fourth proportional to 1,675,439.64, 2,312,116.74 and 911,498.67 is: 1,257,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,439.64 : 2,312,116.74 = 911,498.67 : x
  2. Step 2: Convert to fraction form
    1,675,439.64/2,312,116.74 = 911,498.67/x
  3. Step 3: Cross multiply
    1,675,439.64x = 2,312,116.74 × 911,498.67
  4. Step 4: Simplify right side
    1,675,439.64x = 2,107,491,317,276.66
  5. Step 5: Solve for x
    x = 2,107,491,317,276.66/1,675,439.64
  6. Step 6: Final answer
    x = 1,257,873.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.