Home / 1,265,319.63-1,746,139.21-684,540.86

Finding the Fourth Proportional to 1,265,319.63, 1,746,139.21 and 684,540.86

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Solution

The fourth proportional to 1,265,319.63, 1,746,139.21 and 684,540.86 is: 944,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,319.63 : 1,746,139.21 = 684,540.86 : x
  2. Step 2: Convert to fraction form
    1,265,319.63/1,746,139.21 = 684,540.86/x
  3. Step 3: Cross multiply
    1,265,319.63x = 1,746,139.21 × 684,540.86
  4. Step 4: Simplify right side
    1,265,319.63x = 1,195,303,626,051.07
  5. Step 5: Solve for x
    x = 1,195,303,626,051.07/1,265,319.63
  6. Step 6: Final answer
    x = 944,665.36

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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.