Home / 1,630,012.70-2,445,006.90-492,772.70

Finding the Fourth Proportional to 1,630,012.70, 2,445,006.90 and 492,772.70

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Solution

The fourth proportional to 1,630,012.70, 2,445,006.90 and 492,772.70 is: 739,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,012.70 : 2,445,006.90 = 492,772.70 : x
  2. Step 2: Convert to fraction form
    1,630,012.70/2,445,006.90 = 492,772.70/x
  3. Step 3: Cross multiply
    1,630,012.70x = 2,445,006.90 × 492,772.70
  4. Step 4: Simplify right side
    1,630,012.70x = 1,204,832,651,631.63
  5. Step 5: Solve for x
    x = 1,204,832,651,631.63/1,630,012.70
  6. Step 6: Final answer
    x = 739,155.38

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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.