Home / 1,808,226.60-2,712,339.90-742,914.60

Finding the Fourth Proportional to 1,808,226.60, 2,712,339.90 and 742,914.60

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Solution

The fourth proportional to 1,808,226.60, 2,712,339.90 and 742,914.60 is: 1,114,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,226.60 : 2,712,339.90 = 742,914.60 : x
  2. Step 2: Convert to fraction form
    1,808,226.60/2,712,339.90 = 742,914.60/x
  3. Step 3: Cross multiply
    1,808,226.60x = 2,712,339.90 × 742,914.60
  4. Step 4: Simplify right side
    1,808,226.60x = 2,015,036,911,872.54
  5. Step 5: Solve for x
    x = 2,015,036,911,872.54/1,808,226.60
  6. Step 6: Final answer
    x = 1,114,371.90

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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.