Home / 1,115,300.70-1,539,118.80-631,955.34

Finding the Fourth Proportional to 1,115,300.70, 1,539,118.80 and 631,955.34

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Solution

The fourth proportional to 1,115,300.70, 1,539,118.80 and 631,955.34 is: 872,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,300.70 : 1,539,118.80 = 631,955.34 : x
  2. Step 2: Convert to fraction form
    1,115,300.70/1,539,118.80 = 631,955.34/x
  3. Step 3: Cross multiply
    1,115,300.70x = 1,539,118.80 × 631,955.34
  4. Step 4: Simplify right side
    1,115,300.70x = 972,654,344,554.39
  5. Step 5: Solve for x
    x = 972,654,344,554.39/1,115,300.70
  6. Step 6: Final answer
    x = 872,100.54

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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.