Home / 1,050,082.88-1,575,124.32-302,128.88

Finding the Fourth Proportional to 1,050,082.88, 1,575,124.32 and 302,128.88

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Solution

The fourth proportional to 1,050,082.88, 1,575,124.32 and 302,128.88 is: 453,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,082.88 : 1,575,124.32 = 302,128.88 : x
  2. Step 2: Convert to fraction form
    1,050,082.88/1,575,124.32 = 302,128.88/x
  3. Step 3: Cross multiply
    1,050,082.88x = 1,575,124.32 × 302,128.88
  4. Step 4: Simplify right side
    1,050,082.88x = 475,890,538,786.74
  5. Step 5: Solve for x
    x = 475,890,538,786.74/1,050,082.88
  6. Step 6: Final answer
    x = 453,193.31

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Double scale
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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.