Home / 1,339,434.40-2,004,339.84-983,565.76

Finding the Fourth Proportional to 1,339,434.40, 2,004,339.84 and 983,565.76

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Solution

The fourth proportional to 1,339,434.40, 2,004,339.84 and 983,565.76 is: 1,471,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,434.40 : 2,004,339.84 = 983,565.76 : x
  2. Step 2: Convert to fraction form
    1,339,434.40/2,004,339.84 = 983,565.76/x
  3. Step 3: Cross multiply
    1,339,434.40x = 2,004,339.84 × 983,565.76
  4. Step 4: Simplify right side
    1,339,434.40x = 1,971,400,038,027.88
  5. Step 5: Solve for x
    x = 1,971,400,038,027.88/1,339,434.40
  6. Step 6: Final answer
    x = 1,471,815.30

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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.