Home / 1,663,038.60-2,496,015.90-988,276.20

Finding the Fourth Proportional to 1,663,038.60, 2,496,015.90 and 988,276.20

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Solution

The fourth proportional to 1,663,038.60, 2,496,015.90 and 988,276.20 is: 1,483,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,038.60 : 2,496,015.90 = 988,276.20 : x
  2. Step 2: Convert to fraction form
    1,663,038.60/2,496,015.90 = 988,276.20/x
  3. Step 3: Cross multiply
    1,663,038.60x = 2,496,015.90 × 988,276.20
  4. Step 4: Simplify right side
    1,663,038.60x = 2,466,753,108,791.58
  5. Step 5: Solve for x
    x = 2,466,753,108,791.58/1,663,038.60
  6. Step 6: Final answer
    x = 1,483,280.73

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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.