Home / 1,284,020.20-1,926,030.30-620,468.20

Finding the Fourth Proportional to 1,284,020.20, 1,926,030.30 and 620,468.20

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Solution

The fourth proportional to 1,284,020.20, 1,926,030.30 and 620,468.20 is: 930,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,020.20 : 1,926,030.30 = 620,468.20 : x
  2. Step 2: Convert to fraction form
    1,284,020.20/1,926,030.30 = 620,468.20/x
  3. Step 3: Cross multiply
    1,284,020.20x = 1,926,030.30 × 620,468.20
  4. Step 4: Simplify right side
    1,284,020.20x = 1,195,040,553,386.46
  5. Step 5: Solve for x
    x = 1,195,040,553,386.46/1,284,020.20
  6. Step 6: Final answer
    x = 930,702.30

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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.