Home / 1,078,921.80-1,617,000.30-960,035.40

Finding the Fourth Proportional to 1,078,921.80, 1,617,000.30 and 960,035.40

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Solution

The fourth proportional to 1,078,921.80, 1,617,000.30 and 960,035.40 is: 1,438,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,921.80 : 1,617,000.30 = 960,035.40 : x
  2. Step 2: Convert to fraction form
    1,078,921.80/1,617,000.30 = 960,035.40/x
  3. Step 3: Cross multiply
    1,078,921.80x = 1,617,000.30 × 960,035.40
  4. Step 4: Simplify right side
    1,078,921.80x = 1,552,377,529,810.62
  5. Step 5: Solve for x
    x = 1,552,377,529,810.62/1,078,921.80
  6. Step 6: Final answer
    x = 1,438,823.03

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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.