Home / 1,265,776.20-1,746,768.24-692,811.36

Finding the Fourth Proportional to 1,265,776.20, 1,746,768.24 and 692,811.36

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Solution

The fourth proportional to 1,265,776.20, 1,746,768.24 and 692,811.36 is: 956,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,776.20 : 1,746,768.24 = 692,811.36 : x
  2. Step 2: Convert to fraction form
    1,265,776.20/1,746,768.24 = 692,811.36/x
  3. Step 3: Cross multiply
    1,265,776.20x = 1,746,768.24 × 692,811.36
  4. Step 4: Simplify right side
    1,265,776.20x = 1,210,180,879,959.21
  5. Step 5: Solve for x
    x = 1,210,180,879,959.21/1,265,776.20
  6. Step 6: Final answer
    x = 956,078.08

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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.