Home / 1,480,728.70-2,219,797.05-1,005,874.30

Finding the Fourth Proportional to 1,480,728.70, 2,219,797.05 and 1,005,874.30

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Solution

The fourth proportional to 1,480,728.70, 2,219,797.05 and 1,005,874.30 is: 1,507,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,728.70 : 2,219,797.05 = 1,005,874.30 : x
  2. Step 2: Convert to fraction form
    1,480,728.70/2,219,797.05 = 1,005,874.30/x
  3. Step 3: Cross multiply
    1,480,728.70x = 2,219,797.05 × 1,005,874.30
  4. Step 4: Simplify right side
    1,480,728.70x = 2,232,836,803,810.82
  5. Step 5: Solve for x
    x = 2,232,836,803,810.82/1,480,728.70
  6. Step 6: Final answer
    x = 1,507,931.06

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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.