Home / 1,095,720.81-1,512,065.64-612,289.92

Finding the Fourth Proportional to 1,095,720.81, 1,512,065.64 and 612,289.92

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Solution

The fourth proportional to 1,095,720.81, 1,512,065.64 and 612,289.92 is: 844,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,720.81 : 1,512,065.64 = 612,289.92 : x
  2. Step 2: Convert to fraction form
    1,095,720.81/1,512,065.64 = 612,289.92/x
  3. Step 3: Cross multiply
    1,095,720.81x = 1,512,065.64 × 612,289.92
  4. Step 4: Simplify right side
    1,095,720.81x = 925,822,549,750.35
  5. Step 5: Solve for x
    x = 925,822,549,750.35/1,095,720.81
  6. Step 6: Final answer
    x = 844,943.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.