Home / 1,276,757.93-1,915,417.15-378,270.02

Finding the Fourth Proportional to 1,276,757.93, 1,915,417.15 and 378,270.02

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Solution

The fourth proportional to 1,276,757.93, 1,915,417.15 and 378,270.02 is: 567,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,757.93 : 1,915,417.15 = 378,270.02 : x
  2. Step 2: Convert to fraction form
    1,276,757.93/1,915,417.15 = 378,270.02/x
  3. Step 3: Cross multiply
    1,276,757.93x = 1,915,417.15 × 378,270.02
  4. Step 4: Simplify right side
    1,276,757.93x = 724,544,883,638.84
  5. Step 5: Solve for x
    x = 724,544,883,638.84/1,276,757.93
  6. Step 6: Final answer
    x = 567,488.06

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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.