Home / 1,630,861.52-2,250,663.63-905,712.44

Finding the Fourth Proportional to 1,630,861.52, 2,250,663.63 and 905,712.44

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Solution

The fourth proportional to 1,630,861.52, 2,250,663.63 and 905,712.44 is: 1,249,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,861.52 : 2,250,663.63 = 905,712.44 : x
  2. Step 2: Convert to fraction form
    1,630,861.52/2,250,663.63 = 905,712.44/x
  3. Step 3: Cross multiply
    1,630,861.52x = 2,250,663.63 × 905,712.44
  4. Step 4: Simplify right side
    1,630,861.52x = 2,038,454,047,946.56
  5. Step 5: Solve for x
    x = 2,038,454,047,946.56/1,630,861.52
  6. Step 6: Final answer
    x = 1,249,924.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.