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Finding the Fourth Proportional to 1,237,981, 1,708,439.70 and 701,437

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Solution

The fourth proportional to 1,237,981, 1,708,439.70 and 701,437 is: 967,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,981 : 1,708,439.70 = 701,437 : x
  2. Step 2: Convert to fraction form
    1,237,981/1,708,439.70 = 701,437/x
  3. Step 3: Cross multiply
    1,237,981x = 1,708,439.70 × 701,437
  4. Step 4: Simplify right side
    1,237,981x = 1,198,362,817,848.90
  5. Step 5: Solve for x
    x = 1,198,362,817,848.90/1,237,981
  6. Step 6: Final answer
    x = 967,997.75

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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.