Home / 1,931,757.12-2,896,979.58-669,290.04

Finding the Fourth Proportional to 1,931,757.12, 2,896,979.58 and 669,290.04

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Solution

The fourth proportional to 1,931,757.12, 2,896,979.58 and 669,290.04 is: 1,003,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,757.12 : 2,896,979.58 = 669,290.04 : x
  2. Step 2: Convert to fraction form
    1,931,757.12/2,896,979.58 = 669,290.04/x
  3. Step 3: Cross multiply
    1,931,757.12x = 2,896,979.58 × 669,290.04
  4. Step 4: Simplify right side
    1,931,757.12x = 1,938,919,578,977.38
  5. Step 5: Solve for x
    x = 1,938,919,578,977.38/1,931,757.12
  6. Step 6: Final answer
    x = 1,003,707.74

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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.