Home / 1,339,470.72-2,009,482.80-440,966.52

Finding the Fourth Proportional to 1,339,470.72, 2,009,482.80 and 440,966.52

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Solution

The fourth proportional to 1,339,470.72, 2,009,482.80 and 440,966.52 is: 661,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,470.72 : 2,009,482.80 = 440,966.52 : x
  2. Step 2: Convert to fraction form
    1,339,470.72/2,009,482.80 = 440,966.52/x
  3. Step 3: Cross multiply
    1,339,470.72x = 2,009,482.80 × 440,966.52
  4. Step 4: Simplify right side
    1,339,470.72x = 886,114,637,315.86
  5. Step 5: Solve for x
    x = 886,114,637,315.86/1,339,470.72
  6. Step 6: Final answer
    x = 661,540.88

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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.