Home / 1,155,390.90-1,731,642.93-797,553.96

Finding the Fourth Proportional to 1,155,390.90, 1,731,642.93 and 797,553.96

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Solution

The fourth proportional to 1,155,390.90, 1,731,642.93 and 797,553.96 is: 1,195,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,390.90 : 1,731,642.93 = 797,553.96 : x
  2. Step 2: Convert to fraction form
    1,155,390.90/1,731,642.93 = 797,553.96/x
  3. Step 3: Cross multiply
    1,155,390.90x = 1,731,642.93 × 797,553.96
  4. Step 4: Simplify right side
    1,155,390.90x = 1,381,078,676,127.50
  5. Step 5: Solve for x
    x = 1,381,078,676,127.50/1,155,390.90
  6. Step 6: Final answer
    x = 1,195,334.56

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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.