Home / 1,093,501.70-1,640,252.55-771,575.30

Finding the Fourth Proportional to 1,093,501.70, 1,640,252.55 and 771,575.30

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Solution

The fourth proportional to 1,093,501.70, 1,640,252.55 and 771,575.30 is: 1,157,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,501.70 : 1,640,252.55 = 771,575.30 : x
  2. Step 2: Convert to fraction form
    1,093,501.70/1,640,252.55 = 771,575.30/x
  3. Step 3: Cross multiply
    1,093,501.70x = 1,640,252.55 × 771,575.30
  4. Step 4: Simplify right side
    1,093,501.70x = 1,265,578,353,342.02
  5. Step 5: Solve for x
    x = 1,265,578,353,342.02/1,093,501.70
  6. Step 6: Final answer
    x = 1,157,362.95

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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.