Home / 1,339,465.77-2,009,447.88-440,970.69

Finding the Fourth Proportional to 1,339,465.77, 2,009,447.88 and 440,970.69

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Solution

The fourth proportional to 1,339,465.77, 2,009,447.88 and 440,970.69 is: 661,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,465.77 : 2,009,447.88 = 440,970.69 : x
  2. Step 2: Convert to fraction form
    1,339,465.77/2,009,447.88 = 440,970.69/x
  3. Step 3: Cross multiply
    1,339,465.77x = 2,009,447.88 × 440,970.69
  4. Step 4: Simplify right side
    1,339,465.77x = 886,107,618,162.64
  5. Step 5: Solve for x
    x = 886,107,618,162.64/1,339,465.77
  6. Step 6: Final answer
    x = 661,538.08

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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.