Home / 1,142,787.18-1,712,676.80-637,586.03

Finding the Fourth Proportional to 1,142,787.18, 1,712,676.80 and 637,586.03

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Solution

The fourth proportional to 1,142,787.18, 1,712,676.80 and 637,586.03 is: 955,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,787.18 : 1,712,676.80 = 637,586.03 : x
  2. Step 2: Convert to fraction form
    1,142,787.18/1,712,676.80 = 637,586.03/x
  3. Step 3: Cross multiply
    1,142,787.18x = 1,712,676.80 × 637,586.03
  4. Step 4: Simplify right side
    1,142,787.18x = 1,091,978,793,021.72
  5. Step 5: Solve for x
    x = 1,091,978,793,021.72/1,142,787.18
  6. Step 6: Final answer
    x = 955,539.94

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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.