Home / 1,509,831.78-2,265,097.12-790,564.22

Finding the Fourth Proportional to 1,509,831.78, 2,265,097.12 and 790,564.22

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Solution

The fourth proportional to 1,509,831.78, 2,265,097.12 and 790,564.22 is: 1,186,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,831.78 : 2,265,097.12 = 790,564.22 : x
  2. Step 2: Convert to fraction form
    1,509,831.78/2,265,097.12 = 790,564.22/x
  3. Step 3: Cross multiply
    1,509,831.78x = 2,265,097.12 × 790,564.22
  4. Step 4: Simplify right side
    1,509,831.78x = 1,790,704,737,897.05
  5. Step 5: Solve for x
    x = 1,790,704,737,897.05/1,509,831.78
  6. Step 6: Final answer
    x = 1,186,029.31

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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.