Home / 1,110,775.64-1,666,220.51-312,119.46

Finding the Fourth Proportional to 1,110,775.64, 1,666,220.51 and 312,119.46

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Solution

The fourth proportional to 1,110,775.64, 1,666,220.51 and 312,119.46 is: 468,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,775.64 : 1,666,220.51 = 312,119.46 : x
  2. Step 2: Convert to fraction form
    1,110,775.64/1,666,220.51 = 312,119.46/x
  3. Step 3: Cross multiply
    1,110,775.64x = 1,666,220.51 × 312,119.46
  4. Step 4: Simplify right side
    1,110,775.64x = 520,059,846,602.42
  5. Step 5: Solve for x
    x = 520,059,846,602.42/1,110,775.64
  6. Step 6: Final answer
    x = 468,195.22

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1.5x scale

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.