Home / 1,176,146.64-1,764,009.09-311,587.29

Finding the Fourth Proportional to 1,176,146.64, 1,764,009.09 and 311,587.29

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Solution

The fourth proportional to 1,176,146.64, 1,764,009.09 and 311,587.29 is: 467,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,146.64 : 1,764,009.09 = 311,587.29 : x
  2. Step 2: Convert to fraction form
    1,176,146.64/1,764,009.09 = 311,587.29/x
  3. Step 3: Cross multiply
    1,176,146.64x = 1,764,009.09 × 311,587.29
  4. Step 4: Simplify right side
    1,176,146.64x = 549,642,811,888.47
  5. Step 5: Solve for x
    x = 549,642,811,888.47/1,176,146.64
  6. Step 6: Final answer
    x = 467,325.07

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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.