Home / 1,230,916.32-1,846,478.16-389,449.44

Finding the Fourth Proportional to 1,230,916.32, 1,846,478.16 and 389,449.44

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Solution

The fourth proportional to 1,230,916.32, 1,846,478.16 and 389,449.44 is: 584,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,916.32 : 1,846,478.16 = 389,449.44 : x
  2. Step 2: Convert to fraction form
    1,230,916.32/1,846,478.16 = 389,449.44/x
  3. Step 3: Cross multiply
    1,230,916.32x = 1,846,478.16 × 389,449.44
  4. Step 4: Simplify right side
    1,230,916.32x = 719,109,885,384.23
  5. Step 5: Solve for x
    x = 719,109,885,384.23/1,230,916.32
  6. Step 6: Final answer
    x = 584,206.96

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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.