Home / 1,479,897.60-2,219,846.40-1,178,747.70

Finding the Fourth Proportional to 1,479,897.60, 2,219,846.40 and 1,178,747.70

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Solution

The fourth proportional to 1,479,897.60, 2,219,846.40 and 1,178,747.70 is: 1,768,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,897.60 : 2,219,846.40 = 1,178,747.70 : x
  2. Step 2: Convert to fraction form
    1,479,897.60/2,219,846.40 = 1,178,747.70/x
  3. Step 3: Cross multiply
    1,479,897.60x = 2,219,846.40 × 1,178,747.70
  4. Step 4: Simplify right side
    1,479,897.60x = 2,616,638,838,353.28
  5. Step 5: Solve for x
    x = 2,616,638,838,353.28/1,479,897.60
  6. Step 6: Final answer
    x = 1,768,121.55

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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.