Home / 1,330,558.90-1,995,838.35-620,658.70

Finding the Fourth Proportional to 1,330,558.90, 1,995,838.35 and 620,658.70

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Solution

The fourth proportional to 1,330,558.90, 1,995,838.35 and 620,658.70 is: 930,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,558.90 : 1,995,838.35 = 620,658.70 : x
  2. Step 2: Convert to fraction form
    1,330,558.90/1,995,838.35 = 620,658.70/x
  3. Step 3: Cross multiply
    1,330,558.90x = 1,995,838.35 × 620,658.70
  4. Step 4: Simplify right side
    1,330,558.90x = 1,238,734,435,721.15
  5. Step 5: Solve for x
    x = 1,238,734,435,721.15/1,330,558.90
  6. Step 6: Final answer
    x = 930,988.05

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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.