Home / 1,353,279.69-2,029,283.85-784,822.35

Finding the Fourth Proportional to 1,353,279.69, 2,029,283.85 and 784,822.35

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Solution

The fourth proportional to 1,353,279.69, 2,029,283.85 and 784,822.35 is: 1,176,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,279.69 : 2,029,283.85 = 784,822.35 : x
  2. Step 2: Convert to fraction form
    1,353,279.69/2,029,283.85 = 784,822.35/x
  3. Step 3: Cross multiply
    1,353,279.69x = 2,029,283.85 × 784,822.35
  4. Step 4: Simplify right side
    1,353,279.69x = 1,592,627,319,974.05
  5. Step 5: Solve for x
    x = 1,592,627,319,974.05/1,353,279.69
  6. Step 6: Final answer
    x = 1,176,864.87

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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.