Home / 1,289,523.01-1,779,560.20-708,799.84

Finding the Fourth Proportional to 1,289,523.01, 1,779,560.20 and 708,799.84

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Solution

The fourth proportional to 1,289,523.01, 1,779,560.20 and 708,799.84 is: 978,153.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,523.01 : 1,779,560.20 = 708,799.84 : x
  2. Step 2: Convert to fraction form
    1,289,523.01/1,779,560.20 = 708,799.84/x
  3. Step 3: Cross multiply
    1,289,523.01x = 1,779,560.20 × 708,799.84
  4. Step 4: Simplify right side
    1,289,523.01x = 1,261,351,985,030.37
  5. Step 5: Solve for x
    x = 1,261,351,985,030.37/1,289,523.01
  6. Step 6: Final answer
    x = 978,153.92

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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.