Home / 1,329,223.40-1,993,835.10-1,226,580.20

Finding the Fourth Proportional to 1,329,223.40, 1,993,835.10 and 1,226,580.20

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Solution

The fourth proportional to 1,329,223.40, 1,993,835.10 and 1,226,580.20 is: 1,839,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,223.40 : 1,993,835.10 = 1,226,580.20 : x
  2. Step 2: Convert to fraction form
    1,329,223.40/1,993,835.10 = 1,226,580.20/x
  3. Step 3: Cross multiply
    1,329,223.40x = 1,993,835.10 × 1,226,580.20
  4. Step 4: Simplify right side
    1,329,223.40x = 2,445,598,655,725.02
  5. Step 5: Solve for x
    x = 2,445,598,655,725.02/1,329,223.40
  6. Step 6: Final answer
    x = 1,839,870.30

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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.