Home / 1,292,024.29-1,782,993.55-719,199.79

Finding the Fourth Proportional to 1,292,024.29, 1,782,993.55 and 719,199.79

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Solution

The fourth proportional to 1,292,024.29, 1,782,993.55 and 719,199.79 is: 992,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,024.29 : 1,782,993.55 = 719,199.79 : x
  2. Step 2: Convert to fraction form
    1,292,024.29/1,782,993.55 = 719,199.79/x
  3. Step 3: Cross multiply
    1,292,024.29x = 1,782,993.55 × 719,199.79
  4. Step 4: Simplify right side
    1,292,024.29x = 1,282,328,576,018.39
  5. Step 5: Solve for x
    x = 1,282,328,576,018.39/1,292,024.29
  6. Step 6: Final answer
    x = 992,495.72

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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.