Home / 1,013,602.20-1,520,208.90-303,653.40

Finding the Fourth Proportional to 1,013,602.20, 1,520,208.90 and 303,653.40

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Solution

The fourth proportional to 1,013,602.20, 1,520,208.90 and 303,653.40 is: 455,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,602.20 : 1,520,208.90 = 303,653.40 : x
  2. Step 2: Convert to fraction form
    1,013,602.20/1,520,208.90 = 303,653.40/x
  3. Step 3: Cross multiply
    1,013,602.20x = 1,520,208.90 × 303,653.40
  4. Step 4: Simplify right side
    1,013,602.20x = 461,616,601,195.26
  5. Step 5: Solve for x
    x = 461,616,601,195.26/1,013,602.20
  6. Step 6: Final answer
    x = 455,421.86

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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.