Home / 1,542,522.80-2,319,313.80-1,299,220.40

Finding the Fourth Proportional to 1,542,522.80, 2,319,313.80 and 1,299,220.40

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Solution

The fourth proportional to 1,542,522.80, 2,319,313.80 and 1,299,220.40 is: 1,953,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,522.80 : 2,319,313.80 = 1,299,220.40 : x
  2. Step 2: Convert to fraction form
    1,542,522.80/2,319,313.80 = 1,299,220.40/x
  3. Step 3: Cross multiply
    1,542,522.80x = 2,319,313.80 × 1,299,220.40
  4. Step 4: Simplify right side
    1,542,522.80x = 3,013,299,802,961.52
  5. Step 5: Solve for x
    x = 3,013,299,802,961.52/1,542,522.80
  6. Step 6: Final answer
    x = 1,953,488.02

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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.