Home / 1,299,830.40-1,949,267.88-446,660.10

Finding the Fourth Proportional to 1,299,830.40, 1,949,267.88 and 446,660.10

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Solution

The fourth proportional to 1,299,830.40, 1,949,267.88 and 446,660.10 is: 669,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,830.40 : 1,949,267.88 = 446,660.10 : x
  2. Step 2: Convert to fraction form
    1,299,830.40/1,949,267.88 = 446,660.10/x
  3. Step 3: Cross multiply
    1,299,830.40x = 1,949,267.88 × 446,660.10
  4. Step 4: Simplify right side
    1,299,830.40x = 870,660,186,207.59
  5. Step 5: Solve for x
    x = 870,660,186,207.59/1,299,830.40
  6. Step 6: Final answer
    x = 669,825.99

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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.