Home / 1,120,479.92-1,679,656.08-446,974.64

Finding the Fourth Proportional to 1,120,479.92, 1,679,656.08 and 446,974.64

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Solution

The fourth proportional to 1,120,479.92, 1,679,656.08 and 446,974.64 is: 670,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,479.92 : 1,679,656.08 = 446,974.64 : x
  2. Step 2: Convert to fraction form
    1,120,479.92/1,679,656.08 = 446,974.64/x
  3. Step 3: Cross multiply
    1,120,479.92x = 1,679,656.08 × 446,974.64
  4. Step 4: Simplify right side
    1,120,479.92x = 750,763,671,681.81
  5. Step 5: Solve for x
    x = 750,763,671,681.81/1,120,479.92
  6. Step 6: Final answer
    x = 670,037.60

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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.