Home / 1,129,010.23-1,559,327.17-743,548.72

Finding the Fourth Proportional to 1,129,010.23, 1,559,327.17 and 743,548.72

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Solution

The fourth proportional to 1,129,010.23, 1,559,327.17 and 743,548.72 is: 1,026,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,010.23 : 1,559,327.17 = 743,548.72 : x
  2. Step 2: Convert to fraction form
    1,129,010.23/1,559,327.17 = 743,548.72/x
  3. Step 3: Cross multiply
    1,129,010.23x = 1,559,327.17 × 743,548.72
  4. Step 4: Simplify right side
    1,129,010.23x = 1,159,435,721,314.72
  5. Step 5: Solve for x
    x = 1,159,435,721,314.72/1,129,010.23
  6. Step 6: Final answer
    x = 1,026,948.82

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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.