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Finding the Fourth Proportional to 1,232,487.40, 1,848,731.10 and 854,573.80

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Solution

The fourth proportional to 1,232,487.40, 1,848,731.10 and 854,573.80 is: 1,281,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,487.40 : 1,848,731.10 = 854,573.80 : x
  2. Step 2: Convert to fraction form
    1,232,487.40/1,848,731.10 = 854,573.80/x
  3. Step 3: Cross multiply
    1,232,487.40x = 1,848,731.10 × 854,573.80
  4. Step 4: Simplify right side
    1,232,487.40x = 1,579,877,161,305.18
  5. Step 5: Solve for x
    x = 1,579,877,161,305.18/1,232,487.40
  6. Step 6: Final answer
    x = 1,281,860.70

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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.