Home / 1,296,513.64-1,789,185.54-723,547.72

Finding the Fourth Proportional to 1,296,513.64, 1,789,185.54 and 723,547.72

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Solution

The fourth proportional to 1,296,513.64, 1,789,185.54 and 723,547.72 is: 998,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,513.64 : 1,789,185.54 = 723,547.72 : x
  2. Step 2: Convert to fraction form
    1,296,513.64/1,789,185.54 = 723,547.72/x
  3. Step 3: Cross multiply
    1,296,513.64x = 1,789,185.54 × 723,547.72
  4. Step 4: Simplify right side
    1,296,513.64x = 1,294,561,118,123.97
  5. Step 5: Solve for x
    x = 1,294,561,118,123.97/1,296,513.64
  6. Step 6: Final answer
    x = 998,494.02

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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.