Home / 1,284,006.20-1,926,009.30-620,454.20

Finding the Fourth Proportional to 1,284,006.20, 1,926,009.30 and 620,454.20

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Solution

The fourth proportional to 1,284,006.20, 1,926,009.30 and 620,454.20 is: 930,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,006.20 : 1,926,009.30 = 620,454.20 : x
  2. Step 2: Convert to fraction form
    1,284,006.20/1,926,009.30 = 620,454.20/x
  3. Step 3: Cross multiply
    1,284,006.20x = 1,926,009.30 × 620,454.20
  4. Step 4: Simplify right side
    1,284,006.20x = 1,195,000,559,424.06
  5. Step 5: Solve for x
    x = 1,195,000,559,424.06/1,284,006.20
  6. Step 6: Final answer
    x = 930,681.30

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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.