Home / 1,021,681.80-1,532,522.70-311,708.70

Finding the Fourth Proportional to 1,021,681.80, 1,532,522.70 and 311,708.70

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Solution

The fourth proportional to 1,021,681.80, 1,532,522.70 and 311,708.70 is: 467,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,681.80 : 1,532,522.70 = 311,708.70 : x
  2. Step 2: Convert to fraction form
    1,021,681.80/1,532,522.70 = 311,708.70/x
  3. Step 3: Cross multiply
    1,021,681.80x = 1,532,522.70 × 311,708.70
  4. Step 4: Simplify right side
    1,021,681.80x = 477,700,658,537.49
  5. Step 5: Solve for x
    x = 477,700,658,537.49/1,021,681.80
  6. Step 6: Final answer
    x = 467,563.05

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Similar ratio
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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.