Home / 1,329,884.32-1,834,683.60-813,246.88

Finding the Fourth Proportional to 1,329,884.32, 1,834,683.60 and 813,246.88

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Solution

The fourth proportional to 1,329,884.32, 1,834,683.60 and 813,246.88 is: 1,121,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,884.32 : 1,834,683.60 = 813,246.88 : x
  2. Step 2: Convert to fraction form
    1,329,884.32/1,834,683.60 = 813,246.88/x
  3. Step 3: Cross multiply
    1,329,884.32x = 1,834,683.60 × 813,246.88
  4. Step 4: Simplify right side
    1,329,884.32x = 1,492,050,713,487.17
  5. Step 5: Solve for x
    x = 1,492,050,713,487.17/1,329,884.32
  6. Step 6: Final answer
    x = 1,121,940.23

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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.