Home / 1,049,368.10-1,571,719.35-811,940.90

Finding the Fourth Proportional to 1,049,368.10, 1,571,719.35 and 811,940.90

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Solution

The fourth proportional to 1,049,368.10, 1,571,719.35 and 811,940.90 is: 1,216,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,368.10 : 1,571,719.35 = 811,940.90 : x
  2. Step 2: Convert to fraction form
    1,049,368.10/1,571,719.35 = 811,940.90/x
  3. Step 3: Cross multiply
    1,049,368.10x = 1,571,719.35 × 811,940.90
  4. Step 4: Simplify right side
    1,049,368.10x = 1,276,143,223,586.42
  5. Step 5: Solve for x
    x = 1,276,143,223,586.42/1,049,368.10
  6. Step 6: Final answer
    x = 1,216,106.36

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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.