Home / 1,621,815.20-2,432,492.40-556,906.40

Finding the Fourth Proportional to 1,621,815.20, 2,432,492.40 and 556,906.40

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Solution

The fourth proportional to 1,621,815.20, 2,432,492.40 and 556,906.40 is: 835,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,815.20 : 2,432,492.40 = 556,906.40 : x
  2. Step 2: Convert to fraction form
    1,621,815.20/2,432,492.40 = 556,906.40/x
  3. Step 3: Cross multiply
    1,621,815.20x = 2,432,492.40 × 556,906.40
  4. Step 4: Simplify right side
    1,621,815.20x = 1,354,670,585,511.36
  5. Step 5: Solve for x
    x = 1,354,670,585,511.36/1,621,815.20
  6. Step 6: Final answer
    x = 835,280.48

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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.