Home / 1,305,342.40-1,956,458.40-547,182.40

Finding the Fourth Proportional to 1,305,342.40, 1,956,458.40 and 547,182.40

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Solution

The fourth proportional to 1,305,342.40, 1,956,458.40 and 547,182.40 is: 820,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,342.40 : 1,956,458.40 = 547,182.40 : x
  2. Step 2: Convert to fraction form
    1,305,342.40/1,956,458.40 = 547,182.40/x
  3. Step 3: Cross multiply
    1,305,342.40x = 1,956,458.40 × 547,182.40
  4. Step 4: Simplify right side
    1,305,342.40x = 1,070,539,602,812.16
  5. Step 5: Solve for x
    x = 1,070,539,602,812.16/1,305,342.40
  6. Step 6: Final answer
    x = 820,121.68

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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.