Home / 1,420,658.18-1,960,975.50-1,130,801.44

Finding the Fourth Proportional to 1,420,658.18, 1,960,975.50 and 1,130,801.44

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Solution

The fourth proportional to 1,420,658.18, 1,960,975.50 and 1,130,801.44 is: 1,560,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,658.18 : 1,960,975.50 = 1,130,801.44 : x
  2. Step 2: Convert to fraction form
    1,420,658.18/1,960,975.50 = 1,130,801.44/x
  3. Step 3: Cross multiply
    1,420,658.18x = 1,960,975.50 × 1,130,801.44
  4. Step 4: Simplify right side
    1,420,658.18x = 2,217,473,909,399.84
  5. Step 5: Solve for x
    x = 2,217,473,909,399.84/1,420,658.18
  6. Step 6: Final answer
    x = 1,560,877.87

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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.