Home / 1,078,707.11-1,618,783.01-447,621.53

Finding the Fourth Proportional to 1,078,707.11, 1,618,783.01 and 447,621.53

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Solution

The fourth proportional to 1,078,707.11, 1,618,783.01 and 447,621.53 is: 671,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,707.11 : 1,618,783.01 = 447,621.53 : x
  2. Step 2: Convert to fraction form
    1,078,707.11/1,618,783.01 = 447,621.53/x
  3. Step 3: Cross multiply
    1,078,707.11x = 1,618,783.01 × 447,621.53
  4. Step 4: Simplify right side
    1,078,707.11x = 724,602,125,436.10
  5. Step 5: Solve for x
    x = 724,602,125,436.10/1,078,707.11
  6. Step 6: Final answer
    x = 671,732.04

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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.