Home / 1,074,871.22-1,483,320.60-645,153.26

Finding the Fourth Proportional to 1,074,871.22, 1,483,320.60 and 645,153.26

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Solution

The fourth proportional to 1,074,871.22, 1,483,320.60 and 645,153.26 is: 890,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,871.22 : 1,483,320.60 = 645,153.26 : x
  2. Step 2: Convert to fraction form
    1,074,871.22/1,483,320.60 = 645,153.26/x
  3. Step 3: Cross multiply
    1,074,871.22x = 1,483,320.60 × 645,153.26
  4. Step 4: Simplify right side
    1,074,871.22x = 956,969,113,298.55
  5. Step 5: Solve for x
    x = 956,969,113,298.55/1,074,871.22
  6. Step 6: Final answer
    x = 890,310.49

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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.