Home / 1,265,319.80-1,746,141.32-692,359.98

Finding the Fourth Proportional to 1,265,319.80, 1,746,141.32 and 692,359.98

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Solution

The fourth proportional to 1,265,319.80, 1,746,141.32 and 692,359.98 is: 955,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,319.80 : 1,746,141.32 = 692,359.98 : x
  2. Step 2: Convert to fraction form
    1,265,319.80/1,746,141.32 = 692,359.98/x
  3. Step 3: Cross multiply
    1,265,319.80x = 1,746,141.32 × 692,359.98
  4. Step 4: Simplify right side
    1,265,319.80x = 1,208,958,369,392.37
  5. Step 5: Solve for x
    x = 1,208,958,369,392.37/1,265,319.80
  6. Step 6: Final answer
    x = 955,456.77

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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.