Home / 1,013,381.55-1,520,019.27-255,222.63

Finding the Fourth Proportional to 1,013,381.55, 1,520,019.27 and 255,222.63

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Solution

The fourth proportional to 1,013,381.55, 1,520,019.27 and 255,222.63 is: 382,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,381.55 : 1,520,019.27 = 255,222.63 : x
  2. Step 2: Convert to fraction form
    1,013,381.55/1,520,019.27 = 255,222.63/x
  3. Step 3: Cross multiply
    1,013,381.55x = 1,520,019.27 × 255,222.63
  4. Step 4: Simplify right side
    1,013,381.55x = 387,943,315,740.08
  5. Step 5: Solve for x
    x = 387,943,315,740.08/1,013,381.55
  6. Step 6: Final answer
    x = 382,820.58

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Double scale
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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.