Home / 1,385,335.54-2,079,031.81-1,048,799.98

Finding the Fourth Proportional to 1,385,335.54, 2,079,031.81 and 1,048,799.98

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Solution

The fourth proportional to 1,385,335.54, 2,079,031.81 and 1,048,799.98 is: 1,573,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,335.54 : 2,079,031.81 = 1,048,799.98 : x
  2. Step 2: Convert to fraction form
    1,385,335.54/2,079,031.81 = 1,048,799.98/x
  3. Step 3: Cross multiply
    1,385,335.54x = 2,079,031.81 × 1,048,799.98
  4. Step 4: Simplify right side
    1,385,335.54x = 2,180,488,520,747.36
  5. Step 5: Solve for x
    x = 2,180,488,520,747.36/1,385,335.54
  6. Step 6: Final answer
    x = 1,573,978.62

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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.