Home / 1,292,033.40-1,782,988.32-719,073.48

Finding the Fourth Proportional to 1,292,033.40, 1,782,988.32 and 719,073.48

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Solution

The fourth proportional to 1,292,033.40, 1,782,988.32 and 719,073.48 is: 992,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,033.40 : 1,782,988.32 = 719,073.48 : x
  2. Step 2: Convert to fraction form
    1,292,033.40/1,782,988.32 = 719,073.48/x
  3. Step 3: Cross multiply
    1,292,033.40x = 1,782,988.32 × 719,073.48
  4. Step 4: Simplify right side
    1,292,033.40x = 1,282,099,616,061.75
  5. Step 5: Solve for x
    x = 1,282,099,616,061.75/1,292,033.40
  6. Step 6: Final answer
    x = 992,311.51

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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.