Home / 1,631,327.72-2,443,264.29-778,996.37

Finding the Fourth Proportional to 1,631,327.72, 2,443,264.29 and 778,996.37

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Solution

The fourth proportional to 1,631,327.72, 2,443,264.29 and 778,996.37 is: 1,166,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,327.72 : 2,443,264.29 = 778,996.37 : x
  2. Step 2: Convert to fraction form
    1,631,327.72/2,443,264.29 = 778,996.37/x
  3. Step 3: Cross multiply
    1,631,327.72x = 2,443,264.29 × 778,996.37
  4. Step 4: Simplify right side
    1,631,327.72x = 1,903,294,018,968.79
  5. Step 5: Solve for x
    x = 1,903,294,018,968.79/1,631,327.72
  6. Step 6: Final answer
    x = 1,166,714.70

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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.