Home / 1,420,102.90-2,126,655.15-944,211.70

Finding the Fourth Proportional to 1,420,102.90, 2,126,655.15 and 944,211.70

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Solution

The fourth proportional to 1,420,102.90, 2,126,655.15 and 944,211.70 is: 1,413,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,102.90 : 2,126,655.15 = 944,211.70 : x
  2. Step 2: Convert to fraction form
    1,420,102.90/2,126,655.15 = 944,211.70/x
  3. Step 3: Cross multiply
    1,420,102.90x = 2,126,655.15 × 944,211.70
  4. Step 4: Simplify right side
    1,420,102.90x = 2,008,012,674,495.26
  5. Step 5: Solve for x
    x = 2,008,012,674,495.26/1,420,102.90
  6. Step 6: Final answer
    x = 1,413,990.97

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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.