Home / 1,078,672.64-1,617,505.95-320,235.62

Finding the Fourth Proportional to 1,078,672.64, 1,617,505.95 and 320,235.62

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Solution

The fourth proportional to 1,078,672.64, 1,617,505.95 and 320,235.62 is: 480,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,672.64 : 1,617,505.95 = 320,235.62 : x
  2. Step 2: Convert to fraction form
    1,078,672.64/1,617,505.95 = 320,235.62/x
  3. Step 3: Cross multiply
    1,078,672.64x = 1,617,505.95 × 320,235.62
  4. Step 4: Simplify right side
    1,078,672.64x = 517,983,020,751.94
  5. Step 5: Solve for x
    x = 517,983,020,751.94/1,078,672.64
  6. Step 6: Final answer
    x = 480,204.10

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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.