Home / 1,000,955.80-1,501,433.70-991,624.60

Finding the Fourth Proportional to 1,000,955.80, 1,501,433.70 and 991,624.60

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Solution

The fourth proportional to 1,000,955.80, 1,501,433.70 and 991,624.60 is: 1,487,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,955.80 : 1,501,433.70 = 991,624.60 : x
  2. Step 2: Convert to fraction form
    1,000,955.80/1,501,433.70 = 991,624.60/x
  3. Step 3: Cross multiply
    1,000,955.80x = 1,501,433.70 × 991,624.60
  4. Step 4: Simplify right side
    1,000,955.80x = 1,488,858,592,189.02
  5. Step 5: Solve for x
    x = 1,488,858,592,189.02/1,000,955.80
  6. Step 6: Final answer
    x = 1,487,436.90

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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.