Home / 1,132,655.10-1,698,982.65-628,770.30

Finding the Fourth Proportional to 1,132,655.10, 1,698,982.65 and 628,770.30

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Solution

The fourth proportional to 1,132,655.10, 1,698,982.65 and 628,770.30 is: 943,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,655.10 : 1,698,982.65 = 628,770.30 : x
  2. Step 2: Convert to fraction form
    1,132,655.10/1,698,982.65 = 628,770.30/x
  3. Step 3: Cross multiply
    1,132,655.10x = 1,698,982.65 × 628,770.30
  4. Step 4: Simplify right side
    1,132,655.10x = 1,068,269,830,535.30
  5. Step 5: Solve for x
    x = 1,068,269,830,535.30/1,132,655.10
  6. Step 6: Final answer
    x = 943,155.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.