Home / 1,670,415.40-2,505,623.10-960,077.80

Finding the Fourth Proportional to 1,670,415.40, 2,505,623.10 and 960,077.80

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Solution

The fourth proportional to 1,670,415.40, 2,505,623.10 and 960,077.80 is: 1,440,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,415.40 : 2,505,623.10 = 960,077.80 : x
  2. Step 2: Convert to fraction form
    1,670,415.40/2,505,623.10 = 960,077.80/x
  3. Step 3: Cross multiply
    1,670,415.40x = 2,505,623.10 × 960,077.80
  4. Step 4: Simplify right side
    1,670,415.40x = 2,405,593,113,477.18
  5. Step 5: Solve for x
    x = 2,405,593,113,477.18/1,670,415.40
  6. Step 6: Final answer
    x = 1,440,116.70

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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.