Home / 1,326,352.64-1,989,526.46-415,604.83

Finding the Fourth Proportional to 1,326,352.64, 1,989,526.46 and 415,604.83

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Solution

The fourth proportional to 1,326,352.64, 1,989,526.46 and 415,604.83 is: 623,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,352.64 : 1,989,526.46 = 415,604.83 : x
  2. Step 2: Convert to fraction form
    1,326,352.64/1,989,526.46 = 415,604.83/x
  3. Step 3: Cross multiply
    1,326,352.64x = 1,989,526.46 × 415,604.83
  4. Step 4: Simplify right side
    1,326,352.64x = 826,856,806,188.80
  5. Step 5: Solve for x
    x = 826,856,806,188.80/1,326,352.64
  6. Step 6: Final answer
    x = 623,406.46

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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.