Home / 1,207,000.80-1,811,883.60-708,645.60

Finding the Fourth Proportional to 1,207,000.80, 1,811,883.60 and 708,645.60

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Solution

The fourth proportional to 1,207,000.80, 1,811,883.60 and 708,645.60 is: 1,063,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,000.80 : 1,811,883.60 = 708,645.60 : x
  2. Step 2: Convert to fraction form
    1,207,000.80/1,811,883.60 = 708,645.60/x
  3. Step 3: Cross multiply
    1,207,000.80x = 1,811,883.60 × 708,645.60
  4. Step 4: Simplify right side
    1,207,000.80x = 1,283,983,340,852.16
  5. Step 5: Solve for x
    x = 1,283,983,340,852.16/1,207,000.80
  6. Step 6: Final answer
    x = 1,063,780.02

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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.