Home / 1,303,699.10-1,799,108.76-722,963.12

Finding the Fourth Proportional to 1,303,699.10, 1,799,108.76 and 722,963.12

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Solution

The fourth proportional to 1,303,699.10, 1,799,108.76 and 722,963.12 is: 997,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,699.10 : 1,799,108.76 = 722,963.12 : x
  2. Step 2: Convert to fraction form
    1,303,699.10/1,799,108.76 = 722,963.12/x
  3. Step 3: Cross multiply
    1,303,699.10x = 1,799,108.76 × 722,963.12
  4. Step 4: Simplify right side
    1,303,699.10x = 1,300,689,289,557.82
  5. Step 5: Solve for x
    x = 1,300,689,289,557.82/1,303,699.10
  6. Step 6: Final answer
    x = 997,691.33

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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.