Home / 1,020,598.89-1,531,844.06-515,513.90

Finding the Fourth Proportional to 1,020,598.89, 1,531,844.06 and 515,513.90

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Solution

The fourth proportional to 1,020,598.89, 1,531,844.06 and 515,513.90 is: 773,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,598.89 : 1,531,844.06 = 515,513.90 : x
  2. Step 2: Convert to fraction form
    1,020,598.89/1,531,844.06 = 515,513.90/x
  3. Step 3: Cross multiply
    1,020,598.89x = 1,531,844.06 × 515,513.90
  4. Step 4: Simplify right side
    1,020,598.89x = 789,686,895,325.64
  5. Step 5: Solve for x
    x = 789,686,895,325.64/1,020,598.89
  6. Step 6: Final answer
    x = 773,748.53

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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.