Home / 1,493,345.70-2,240,018.55-821,499.30

Finding the Fourth Proportional to 1,493,345.70, 2,240,018.55 and 821,499.30

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Solution

The fourth proportional to 1,493,345.70, 2,240,018.55 and 821,499.30 is: 1,232,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,345.70 : 2,240,018.55 = 821,499.30 : x
  2. Step 2: Convert to fraction form
    1,493,345.70/2,240,018.55 = 821,499.30/x
  3. Step 3: Cross multiply
    1,493,345.70x = 2,240,018.55 × 821,499.30
  4. Step 4: Simplify right side
    1,493,345.70x = 1,840,173,670,812.02
  5. Step 5: Solve for x
    x = 1,840,173,670,812.02/1,493,345.70
  6. Step 6: Final answer
    x = 1,232,248.95

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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.