Home / 1,555,955.60-2,145,139.08-1,167,118.16

Finding the Fourth Proportional to 1,555,955.60, 2,145,139.08 and 1,167,118.16

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Solution

The fourth proportional to 1,555,955.60, 2,145,139.08 and 1,167,118.16 is: 1,609,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,955.60 : 2,145,139.08 = 1,167,118.16 : x
  2. Step 2: Convert to fraction form
    1,555,955.60/2,145,139.08 = 1,167,118.16/x
  3. Step 3: Cross multiply
    1,555,955.60x = 2,145,139.08 × 1,167,118.16
  4. Step 4: Simplify right side
    1,555,955.60x = 2,503,630,775,993.69
  5. Step 5: Solve for x
    x = 2,503,630,775,993.69/1,555,955.60
  6. Step 6: Final answer
    x = 1,609,063.12

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1.5x scale

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.