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Finding the Fourth Proportional to 1,228,803, 1,843,515.63 and 342,339

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Solution

The fourth proportional to 1,228,803, 1,843,515.63 and 342,339 is: 513,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,803 : 1,843,515.63 = 342,339 : x
  2. Step 2: Convert to fraction form
    1,228,803/1,843,515.63 = 342,339/x
  3. Step 3: Cross multiply
    1,228,803x = 1,843,515.63 × 342,339
  4. Step 4: Simplify right side
    1,228,803x = 631,107,297,258.57
  5. Step 5: Solve for x
    x = 631,107,297,258.57/1,228,803
  6. Step 6: Final answer
    x = 513,595.18

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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.