Home / 1,005,350.84-1,387,348.98-552,638.60

Finding the Fourth Proportional to 1,005,350.84, 1,387,348.98 and 552,638.60

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Solution

The fourth proportional to 1,005,350.84, 1,387,348.98 and 552,638.60 is: 762,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,350.84 : 1,387,348.98 = 552,638.60 : x
  2. Step 2: Convert to fraction form
    1,005,350.84/1,387,348.98 = 552,638.60/x
  3. Step 3: Cross multiply
    1,005,350.84x = 1,387,348.98 × 552,638.60
  4. Step 4: Simplify right side
    1,005,350.84x = 766,702,598,018.63
  5. Step 5: Solve for x
    x = 766,702,598,018.63/1,005,350.84
  6. Step 6: Final answer
    x = 762,621.93

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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.