Home / 1,563,166.30-2,157,396.04-900,749.28

Finding the Fourth Proportional to 1,563,166.30, 2,157,396.04 and 900,749.28

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Solution

The fourth proportional to 1,563,166.30, 2,157,396.04 and 900,749.28 is: 1,243,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,166.30 : 2,157,396.04 = 900,749.28 : x
  2. Step 2: Convert to fraction form
    1,563,166.30/2,157,396.04 = 900,749.28/x
  3. Step 3: Cross multiply
    1,563,166.30x = 2,157,396.04 × 900,749.28
  4. Step 4: Simplify right side
    1,563,166.30x = 1,943,272,929,704.85
  5. Step 5: Solve for x
    x = 1,943,272,929,704.85/1,563,166.30
  6. Step 6: Final answer
    x = 1,243,164.55

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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.