Home / 1,989,800.34-2,985,331.24-710,379.82

Finding the Fourth Proportional to 1,989,800.34, 2,985,331.24 and 710,379.82

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Solution

The fourth proportional to 1,989,800.34, 2,985,331.24 and 710,379.82 is: 1,065,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,800.34 : 2,985,331.24 = 710,379.82 : x
  2. Step 2: Convert to fraction form
    1,989,800.34/2,985,331.24 = 710,379.82/x
  3. Step 3: Cross multiply
    1,989,800.34x = 2,985,331.24 × 710,379.82
  4. Step 4: Simplify right side
    1,989,800.34x = 2,120,719,073,531.22
  5. Step 5: Solve for x
    x = 2,120,719,073,531.22/1,989,800.34
  6. Step 6: Final answer
    x = 1,065,794.91

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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.