Home / 1,317,045.72-1,817,531.82-713,433.72

Finding the Fourth Proportional to 1,317,045.72, 1,817,531.82 and 713,433.72

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Solution

The fourth proportional to 1,317,045.72, 1,817,531.82 and 713,433.72 is: 984,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,045.72 : 1,817,531.82 = 713,433.72 : x
  2. Step 2: Convert to fraction form
    1,317,045.72/1,817,531.82 = 713,433.72/x
  3. Step 3: Cross multiply
    1,317,045.72x = 1,817,531.82 × 713,433.72
  4. Step 4: Simplify right side
    1,317,045.72x = 1,296,688,487,560.97
  5. Step 5: Solve for x
    x = 1,296,688,487,560.97/1,317,045.72
  6. Step 6: Final answer
    x = 984,543.26

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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.