Home / 3,119,288.52-4,679,378.54-960,495.96

Finding the Fourth Proportional to 3,119,288.52, 4,679,378.54 and 960,495.96

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Solution

The fourth proportional to 3,119,288.52, 4,679,378.54 and 960,495.96 is: 1,440,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,288.52 : 4,679,378.54 = 960,495.96 : x
  2. Step 2: Convert to fraction form
    3,119,288.52/4,679,378.54 = 960,495.96/x
  3. Step 3: Cross multiply
    3,119,288.52x = 4,679,378.54 × 960,495.96
  4. Step 4: Simplify right side
    3,119,288.52x = 4,494,524,182,980.70
  5. Step 5: Solve for x
    x = 4,494,524,182,980.70/3,119,288.52
  6. Step 6: Final answer
    x = 1,440,881.20

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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.