Home / 1,531,060.72-2,290,974.06-1,277,715.70

Finding the Fourth Proportional to 1,531,060.72, 2,290,974.06 and 1,277,715.70

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Solution

The fourth proportional to 1,531,060.72, 2,290,974.06 and 1,277,715.70 is: 1,911,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,060.72 : 2,290,974.06 = 1,277,715.70 : x
  2. Step 2: Convert to fraction form
    1,531,060.72/2,290,974.06 = 1,277,715.70/x
  3. Step 3: Cross multiply
    1,531,060.72x = 2,290,974.06 × 1,277,715.70
  4. Step 4: Simplify right side
    1,531,060.72x = 2,927,213,524,754.74
  5. Step 5: Solve for x
    x = 2,927,213,524,754.74/1,531,060.72
  6. Step 6: Final answer
    x = 1,911,885.98

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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.