Home / 1,339,373.11-2,009,047.42-540,088.63

Finding the Fourth Proportional to 1,339,373.11, 2,009,047.42 and 540,088.63

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Solution

The fourth proportional to 1,339,373.11, 2,009,047.42 and 540,088.63 is: 810,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,373.11 : 2,009,047.42 = 540,088.63 : x
  2. Step 2: Convert to fraction form
    1,339,373.11/2,009,047.42 = 540,088.63/x
  3. Step 3: Cross multiply
    1,339,373.11x = 2,009,047.42 × 540,088.63
  4. Step 4: Simplify right side
    1,339,373.11x = 1,085,063,668,672.83
  5. Step 5: Solve for x
    x = 1,085,063,668,672.83/1,339,373.11
  6. Step 6: Final answer
    x = 810,128.01

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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.