Home / 1,347,079-2,020,633.86-460,684.12

Finding the Fourth Proportional to 1,347,079, 2,020,633.86 and 460,684.12

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Solution

The fourth proportional to 1,347,079, 2,020,633.86 and 460,684.12 is: 691,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,079 : 2,020,633.86 = 460,684.12 : x
  2. Step 2: Convert to fraction form
    1,347,079/2,020,633.86 = 460,684.12/x
  3. Step 3: Cross multiply
    1,347,079x = 2,020,633.86 × 460,684.12
  4. Step 4: Simplify right side
    1,347,079x = 930,873,931,636.30
  5. Step 5: Solve for x
    x = 930,873,931,636.30/1,347,079
  6. Step 6: Final answer
    x = 691,031.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.