Home / 1,420,924.16-1,960,852.16-776,330.48

Finding the Fourth Proportional to 1,420,924.16, 1,960,852.16 and 776,330.48

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Solution

The fourth proportional to 1,420,924.16, 1,960,852.16 and 776,330.48 is: 1,071,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,924.16 : 1,960,852.16 = 776,330.48 : x
  2. Step 2: Convert to fraction form
    1,420,924.16/1,960,852.16 = 776,330.48/x
  3. Step 3: Cross multiply
    1,420,924.16x = 1,960,852.16 × 776,330.48
  4. Step 4: Simplify right side
    1,420,924.16x = 1,522,269,284,895.92
  5. Step 5: Solve for x
    x = 1,522,269,284,895.92/1,420,924.16
  6. Step 6: Final answer
    x = 1,071,323.39

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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.