Home / 1,662,417.80-2,492,705.10-664,017.80

Finding the Fourth Proportional to 1,662,417.80, 2,492,705.10 and 664,017.80

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Solution

The fourth proportional to 1,662,417.80, 2,492,705.10 and 664,017.80 is: 995,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,417.80 : 2,492,705.10 = 664,017.80 : x
  2. Step 2: Convert to fraction form
    1,662,417.80/2,492,705.10 = 664,017.80/x
  3. Step 3: Cross multiply
    1,662,417.80x = 2,492,705.10 × 664,017.80
  4. Step 4: Simplify right side
    1,662,417.80x = 1,655,200,556,550.78
  5. Step 5: Solve for x
    x = 1,655,200,556,550.78/1,662,417.80
  6. Step 6: Final answer
    x = 995,658.59

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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.