Home / 1,039,725.40-1,434,945.36-631,893.64

Finding the Fourth Proportional to 1,039,725.40, 1,434,945.36 and 631,893.64

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Solution

The fourth proportional to 1,039,725.40, 1,434,945.36 and 631,893.64 is: 872,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,725.40 : 1,434,945.36 = 631,893.64 : x
  2. Step 2: Convert to fraction form
    1,039,725.40/1,434,945.36 = 631,893.64/x
  3. Step 3: Cross multiply
    1,039,725.40x = 1,434,945.36 × 631,893.64
  4. Step 4: Simplify right side
    1,039,725.40x = 906,732,846,731.51
  5. Step 5: Solve for x
    x = 906,732,846,731.51/1,039,725.40
  6. Step 6: Final answer
    x = 872,088.77

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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.