Home / 1,326,623.28-1,989,740.52-652,523.64

Finding the Fourth Proportional to 1,326,623.28, 1,989,740.52 and 652,523.64

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Solution

The fourth proportional to 1,326,623.28, 1,989,740.52 and 652,523.64 is: 978,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,623.28 : 1,989,740.52 = 652,523.64 : x
  2. Step 2: Convert to fraction form
    1,326,623.28/1,989,740.52 = 652,523.64/x
  3. Step 3: Cross multiply
    1,326,623.28x = 1,989,740.52 × 652,523.64
  4. Step 4: Simplify right side
    1,326,623.28x = 1,298,352,726,765.89
  5. Step 5: Solve for x
    x = 1,298,352,726,765.89/1,326,623.28
  6. Step 6: Final answer
    x = 978,689.84

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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.