Home / 1,301,256.79-1,795,790.45-720,479.87

Finding the Fourth Proportional to 1,301,256.79, 1,795,790.45 and 720,479.87

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Solution

The fourth proportional to 1,301,256.79, 1,795,790.45 and 720,479.87 is: 994,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,256.79 : 1,795,790.45 = 720,479.87 : x
  2. Step 2: Convert to fraction form
    1,301,256.79/1,795,790.45 = 720,479.87/x
  3. Step 3: Cross multiply
    1,301,256.79x = 1,795,790.45 × 720,479.87
  4. Step 4: Simplify right side
    1,301,256.79x = 1,293,830,869,963.24
  5. Step 5: Solve for x
    x = 1,293,830,869,963.24/1,301,256.79
  6. Step 6: Final answer
    x = 994,293.27

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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.