Home / 1,222,730.20-1,834,095.30-774,832.60

Finding the Fourth Proportional to 1,222,730.20, 1,834,095.30 and 774,832.60

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Solution

The fourth proportional to 1,222,730.20, 1,834,095.30 and 774,832.60 is: 1,162,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,730.20 : 1,834,095.30 = 774,832.60 : x
  2. Step 2: Convert to fraction form
    1,222,730.20/1,834,095.30 = 774,832.60/x
  3. Step 3: Cross multiply
    1,222,730.20x = 1,834,095.30 × 774,832.60
  4. Step 4: Simplify right side
    1,222,730.20x = 1,421,116,829,946.78
  5. Step 5: Solve for x
    x = 1,421,116,829,946.78/1,222,730.20
  6. Step 6: Final answer
    x = 1,162,248.90

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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.