Home / 1,312,322.31-1,811,004.75-708,710.31

Finding the Fourth Proportional to 1,312,322.31, 1,811,004.75 and 708,710.31

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Solution

The fourth proportional to 1,312,322.31, 1,811,004.75 and 708,710.31 is: 978,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,322.31 : 1,811,004.75 = 708,710.31 : x
  2. Step 2: Convert to fraction form
    1,312,322.31/1,811,004.75 = 708,710.31/x
  3. Step 3: Cross multiply
    1,312,322.31x = 1,811,004.75 × 708,710.31
  4. Step 4: Simplify right side
    1,312,322.31x = 1,283,477,737,783.97
  5. Step 5: Solve for x
    x = 1,283,477,737,783.97/1,312,322.31
  6. Step 6: Final answer
    x = 978,020.21

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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.