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Finding the Fourth Proportional to 1,178,094, 1,767,141 and 291,630

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Solution

The fourth proportional to 1,178,094, 1,767,141 and 291,630 is: 437,445

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,094 : 1,767,141 = 291,630 : x
  2. Step 2: Convert to fraction form
    1,178,094/1,767,141 = 291,630/x
  3. Step 3: Cross multiply
    1,178,094x = 1,767,141 × 291,630
  4. Step 4: Simplify right side
    1,178,094x = 515,351,329,830
  5. Step 5: Solve for x
    x = 515,351,329,830/1,178,094
  6. Step 6: Final answer
    x = 437,445

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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.