Home / 1,380,496.56-2,070,666.95-611,772.86

Finding the Fourth Proportional to 1,380,496.56, 2,070,666.95 and 611,772.86

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Solution

The fourth proportional to 1,380,496.56, 2,070,666.95 and 611,772.86 is: 917,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,496.56 : 2,070,666.95 = 611,772.86 : x
  2. Step 2: Convert to fraction form
    1,380,496.56/2,070,666.95 = 611,772.86/x
  3. Step 3: Cross multiply
    1,380,496.56x = 2,070,666.95 × 611,772.86
  4. Step 4: Simplify right side
    1,380,496.56x = 1,266,777,842,108.98
  5. Step 5: Solve for x
    x = 1,266,777,842,108.98/1,380,496.56
  6. Step 6: Final answer
    x = 917,624.77

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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.