Home / 1,018,432.50-1,527,650.79-378,876.48

Finding the Fourth Proportional to 1,018,432.50, 1,527,650.79 and 378,876.48

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Solution

The fourth proportional to 1,018,432.50, 1,527,650.79 and 378,876.48 is: 568,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,432.50 : 1,527,650.79 = 378,876.48 : x
  2. Step 2: Convert to fraction form
    1,018,432.50/1,527,650.79 = 378,876.48/x
  3. Step 3: Cross multiply
    1,018,432.50x = 1,527,650.79 × 378,876.48
  4. Step 4: Simplify right side
    1,018,432.50x = 578,790,946,346.17
  5. Step 5: Solve for x
    x = 578,790,946,346.17/1,018,432.50
  6. Step 6: Final answer
    x = 568,315.47

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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.