Home / 1,105,384.80-1,658,077.20-395,468.40

Finding the Fourth Proportional to 1,105,384.80, 1,658,077.20 and 395,468.40

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Solution

The fourth proportional to 1,105,384.80, 1,658,077.20 and 395,468.40 is: 593,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,384.80 : 1,658,077.20 = 395,468.40 : x
  2. Step 2: Convert to fraction form
    1,105,384.80/1,658,077.20 = 395,468.40/x
  3. Step 3: Cross multiply
    1,105,384.80x = 1,658,077.20 × 395,468.40
  4. Step 4: Simplify right side
    1,105,384.80x = 655,717,137,360.48
  5. Step 5: Solve for x
    x = 655,717,137,360.48/1,105,384.80
  6. Step 6: Final answer
    x = 593,202.60

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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.