Home / 1,357,102.89-2,032,553.66-647,629.16

Finding the Fourth Proportional to 1,357,102.89, 2,032,553.66 and 647,629.16

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Solution

The fourth proportional to 1,357,102.89, 2,032,553.66 and 647,629.16 is: 969,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,102.89 : 2,032,553.66 = 647,629.16 : x
  2. Step 2: Convert to fraction form
    1,357,102.89/2,032,553.66 = 647,629.16/x
  3. Step 3: Cross multiply
    1,357,102.89x = 2,032,553.66 × 647,629.16
  4. Step 4: Simplify right side
    1,357,102.89x = 1,316,341,006,079.81
  5. Step 5: Solve for x
    x = 1,316,341,006,079.81/1,357,102.89
  6. Step 6: Final answer
    x = 969,964.04

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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.