Home / 1,029,150.50-1,420,227.70-626,742.50

Finding the Fourth Proportional to 1,029,150.50, 1,420,227.70 and 626,742.50

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Solution

The fourth proportional to 1,029,150.50, 1,420,227.70 and 626,742.50 is: 864,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,150.50 : 1,420,227.70 = 626,742.50 : x
  2. Step 2: Convert to fraction form
    1,029,150.50/1,420,227.70 = 626,742.50/x
  3. Step 3: Cross multiply
    1,029,150.50x = 1,420,227.70 × 626,742.50
  4. Step 4: Simplify right side
    1,029,150.50x = 890,117,059,267.25
  5. Step 5: Solve for x
    x = 890,117,059,267.25/1,029,150.50
  6. Step 6: Final answer
    x = 864,904.66

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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.