Home / 1,013,648.12-1,520,522.80-303,608.52

Finding the Fourth Proportional to 1,013,648.12, 1,520,522.80 and 303,608.52

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Solution

The fourth proportional to 1,013,648.12, 1,520,522.80 and 303,608.52 is: 455,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,648.12 : 1,520,522.80 = 303,608.52 : x
  2. Step 2: Convert to fraction form
    1,013,648.12/1,520,522.80 = 303,608.52/x
  3. Step 3: Cross multiply
    1,013,648.12x = 1,520,522.80 × 303,608.52
  4. Step 4: Simplify right side
    1,013,648.12x = 461,643,676,934.26
  5. Step 5: Solve for x
    x = 461,643,676,934.26/1,013,648.12
  6. Step 6: Final answer
    x = 455,427.94

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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.