Home / 1,571,564.25-2,169,351.14-918,402.33

Finding the Fourth Proportional to 1,571,564.25, 2,169,351.14 and 918,402.33

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Solution

The fourth proportional to 1,571,564.25, 2,169,351.14 and 918,402.33 is: 1,267,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,564.25 : 2,169,351.14 = 918,402.33 : x
  2. Step 2: Convert to fraction form
    1,571,564.25/2,169,351.14 = 918,402.33/x
  3. Step 3: Cross multiply
    1,571,564.25x = 2,169,351.14 × 918,402.33
  4. Step 4: Simplify right side
    1,571,564.25x = 1,992,337,136,972.14
  5. Step 5: Solve for x
    x = 1,992,337,136,972.14/1,571,564.25
  6. Step 6: Final answer
    x = 1,267,741.45

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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.