Home / 1,283,446.89-1,771,342.02-739,478.43

Finding the Fourth Proportional to 1,283,446.89, 1,771,342.02 and 739,478.43

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Solution

The fourth proportional to 1,283,446.89, 1,771,342.02 and 739,478.43 is: 1,020,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,446.89 : 1,771,342.02 = 739,478.43 : x
  2. Step 2: Convert to fraction form
    1,283,446.89/1,771,342.02 = 739,478.43/x
  3. Step 3: Cross multiply
    1,283,446.89x = 1,771,342.02 × 739,478.43
  4. Step 4: Simplify right side
    1,283,446.89x = 1,309,869,215,942.63
  5. Step 5: Solve for x
    x = 1,309,869,215,942.63/1,283,446.89
  6. Step 6: Final answer
    x = 1,020,587.00

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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.