Home / 1,775,139.10-2,662,708.65-1,105,479.70

Finding the Fourth Proportional to 1,775,139.10, 2,662,708.65 and 1,105,479.70

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Solution

The fourth proportional to 1,775,139.10, 2,662,708.65 and 1,105,479.70 is: 1,658,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,139.10 : 2,662,708.65 = 1,105,479.70 : x
  2. Step 2: Convert to fraction form
    1,775,139.10/2,662,708.65 = 1,105,479.70/x
  3. Step 3: Cross multiply
    1,775,139.10x = 2,662,708.65 × 1,105,479.70
  4. Step 4: Simplify right side
    1,775,139.10x = 2,943,570,359,589.41
  5. Step 5: Solve for x
    x = 2,943,570,359,589.41/1,775,139.10
  6. Step 6: Final answer
    x = 1,658,219.55

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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.