Home / 1,282,979.72-1,770,567.63-710,020.10

Finding the Fourth Proportional to 1,282,979.72, 1,770,567.63 and 710,020.10

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Solution

The fourth proportional to 1,282,979.72, 1,770,567.63 and 710,020.10 is: 979,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,979.72 : 1,770,567.63 = 710,020.10 : x
  2. Step 2: Convert to fraction form
    1,282,979.72/1,770,567.63 = 710,020.10/x
  3. Step 3: Cross multiply
    1,282,979.72x = 1,770,567.63 × 710,020.10
  4. Step 4: Simplify right side
    1,282,979.72x = 1,257,138,605,709.36
  5. Step 5: Solve for x
    x = 1,257,138,605,709.36/1,282,979.72
  6. Step 6: Final answer
    x = 979,858.52

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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.