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Finding the Fourth Proportional to 1,410,145, 1,946,000.10 and 774,241

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Solution

The fourth proportional to 1,410,145, 1,946,000.10 and 774,241 is: 1,068,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,145 : 1,946,000.10 = 774,241 : x
  2. Step 2: Convert to fraction form
    1,410,145/1,946,000.10 = 774,241/x
  3. Step 3: Cross multiply
    1,410,145x = 1,946,000.10 × 774,241
  4. Step 4: Simplify right side
    1,410,145x = 1,506,673,063,424.10
  5. Step 5: Solve for x
    x = 1,506,673,063,424.10/1,410,145
  6. Step 6: Final answer
    x = 1,068,452.58

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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.