Home / 1,254,018.30-1,881,027.45-1,247,019.90

Finding the Fourth Proportional to 1,254,018.30, 1,881,027.45 and 1,247,019.90

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Solution

The fourth proportional to 1,254,018.30, 1,881,027.45 and 1,247,019.90 is: 1,870,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,018.30 : 1,881,027.45 = 1,247,019.90 : x
  2. Step 2: Convert to fraction form
    1,254,018.30/1,881,027.45 = 1,247,019.90/x
  3. Step 3: Cross multiply
    1,254,018.30x = 1,881,027.45 × 1,247,019.90
  4. Step 4: Simplify right side
    1,254,018.30x = 2,345,678,662,596.26
  5. Step 5: Solve for x
    x = 2,345,678,662,596.26/1,254,018.30
  6. Step 6: Final answer
    x = 1,870,529.85

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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.