Home / 1,131,017.04-1,560,805.20-621,722.52

Finding the Fourth Proportional to 1,131,017.04, 1,560,805.20 and 621,722.52

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Solution

The fourth proportional to 1,131,017.04, 1,560,805.20 and 621,722.52 is: 857,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,017.04 : 1,560,805.20 = 621,722.52 : x
  2. Step 2: Convert to fraction form
    1,131,017.04/1,560,805.20 = 621,722.52/x
  3. Step 3: Cross multiply
    1,131,017.04x = 1,560,805.20 × 621,722.52
  4. Step 4: Simplify right side
    1,131,017.04x = 970,387,742,173.10
  5. Step 5: Solve for x
    x = 970,387,742,173.10/1,131,017.04
  6. Step 6: Final answer
    x = 857,978.00

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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.