Home / 1,132,656.10-1,698,984.15-628,771.30

Finding the Fourth Proportional to 1,132,656.10, 1,698,984.15 and 628,771.30

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Solution

The fourth proportional to 1,132,656.10, 1,698,984.15 and 628,771.30 is: 943,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,656.10 : 1,698,984.15 = 628,771.30 : x
  2. Step 2: Convert to fraction form
    1,132,656.10/1,698,984.15 = 628,771.30/x
  3. Step 3: Cross multiply
    1,132,656.10x = 1,698,984.15 × 628,771.30
  4. Step 4: Simplify right side
    1,132,656.10x = 1,068,272,472,674.90
  5. Step 5: Solve for x
    x = 1,068,272,472,674.90/1,132,656.10
  6. Step 6: Final answer
    x = 943,156.95

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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.