Home / 1,132,987.07-1,563,169.98-642,875.51

Finding the Fourth Proportional to 1,132,987.07, 1,563,169.98 and 642,875.51

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Solution

The fourth proportional to 1,132,987.07, 1,563,169.98 and 642,875.51 is: 886,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,987.07 : 1,563,169.98 = 642,875.51 : x
  2. Step 2: Convert to fraction form
    1,132,987.07/1,563,169.98 = 642,875.51/x
  3. Step 3: Cross multiply
    1,132,987.07x = 1,563,169.98 × 642,875.51
  4. Step 4: Simplify right side
    1,132,987.07x = 1,004,923,690,293.34
  5. Step 5: Solve for x
    x = 1,004,923,690,293.34/1,132,987.07
  6. Step 6: Final answer
    x = 886,968.37

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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.