Home / 1,665,830.28-2,498,854.86-668,428.68

Finding the Fourth Proportional to 1,665,830.28, 2,498,854.86 and 668,428.68

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Solution

The fourth proportional to 1,665,830.28, 2,498,854.86 and 668,428.68 is: 1,002,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,830.28 : 2,498,854.86 = 668,428.68 : x
  2. Step 2: Convert to fraction form
    1,665,830.28/2,498,854.86 = 668,428.68/x
  3. Step 3: Cross multiply
    1,665,830.28x = 2,498,854.86 × 668,428.68
  4. Step 4: Simplify right side
    1,665,830.28x = 1,670,306,255,581.38
  5. Step 5: Solve for x
    x = 1,670,306,255,581.38/1,665,830.28
  6. Step 6: Final answer
    x = 1,002,686.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.