Home / 1,005,118.20-1,508,843.70-606,209.40

Finding the Fourth Proportional to 1,005,118.20, 1,508,843.70 and 606,209.40

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Solution

The fourth proportional to 1,005,118.20, 1,508,843.70 and 606,209.40 is: 910,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,118.20 : 1,508,843.70 = 606,209.40 : x
  2. Step 2: Convert to fraction form
    1,005,118.20/1,508,843.70 = 606,209.40/x
  3. Step 3: Cross multiply
    1,005,118.20x = 1,508,843.70 × 606,209.40
  4. Step 4: Simplify right side
    1,005,118.20x = 914,675,234,070.78
  5. Step 5: Solve for x
    x = 914,675,234,070.78/1,005,118.20
  6. Step 6: Final answer
    x = 910,017.58

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1.5x scale

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.