Home / 1,526,206.40-2,288,272.80-579,435.20

Finding the Fourth Proportional to 1,526,206.40, 2,288,272.80 and 579,435.20

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Solution

The fourth proportional to 1,526,206.40, 2,288,272.80 and 579,435.20 is: 868,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,206.40 : 2,288,272.80 = 579,435.20 : x
  2. Step 2: Convert to fraction form
    1,526,206.40/2,288,272.80 = 579,435.20/x
  3. Step 3: Cross multiply
    1,526,206.40x = 2,288,272.80 × 579,435.20
  4. Step 4: Simplify right side
    1,526,206.40x = 1,325,905,807,522.56
  5. Step 5: Solve for x
    x = 1,325,905,807,522.56/1,526,206.40
  6. Step 6: Final answer
    x = 868,759.17

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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.