Home / 1,488,886.23-2,232,428.37-668,074.38

Finding the Fourth Proportional to 1,488,886.23, 2,232,428.37 and 668,074.38

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Solution

The fourth proportional to 1,488,886.23, 2,232,428.37 and 668,074.38 is: 1,001,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,886.23 : 2,232,428.37 = 668,074.38 : x
  2. Step 2: Convert to fraction form
    1,488,886.23/2,232,428.37 = 668,074.38/x
  3. Step 3: Cross multiply
    1,488,886.23x = 2,232,428.37 × 668,074.38
  4. Step 4: Simplify right side
    1,488,886.23x = 1,491,428,199,182.16
  5. Step 5: Solve for x
    x = 1,491,428,199,182.16/1,488,886.23
  6. Step 6: Final answer
    x = 1,001,707.30

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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.