Home / 1,192,001.70-1,788,002.55-1,061,364.90

Finding the Fourth Proportional to 1,192,001.70, 1,788,002.55 and 1,061,364.90

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Solution

The fourth proportional to 1,192,001.70, 1,788,002.55 and 1,061,364.90 is: 1,592,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,001.70 : 1,788,002.55 = 1,061,364.90 : x
  2. Step 2: Convert to fraction form
    1,192,001.70/1,788,002.55 = 1,061,364.90/x
  3. Step 3: Cross multiply
    1,192,001.70x = 1,788,002.55 × 1,061,364.90
  4. Step 4: Simplify right side
    1,192,001.70x = 1,897,723,147,680.50
  5. Step 5: Solve for x
    x = 1,897,723,147,680.50/1,192,001.70
  6. Step 6: Final answer
    x = 1,592,047.35

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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.