Home / 1,105,272.60-1,657,908.90-395,323.80

Finding the Fourth Proportional to 1,105,272.60, 1,657,908.90 and 395,323.80

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Solution

The fourth proportional to 1,105,272.60, 1,657,908.90 and 395,323.80 is: 592,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,272.60 : 1,657,908.90 = 395,323.80 : x
  2. Step 2: Convert to fraction form
    1,105,272.60/1,657,908.90 = 395,323.80/x
  3. Step 3: Cross multiply
    1,105,272.60x = 1,657,908.90 × 395,323.80
  4. Step 4: Simplify right side
    1,105,272.60x = 655,410,846,401.82
  5. Step 5: Solve for x
    x = 655,410,846,401.82/1,105,272.60
  6. Step 6: Final answer
    x = 592,985.70

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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.