Home / 1,110,885.48-1,666,328.24-312,134.76

Finding the Fourth Proportional to 1,110,885.48, 1,666,328.24 and 312,134.76

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Solution

The fourth proportional to 1,110,885.48, 1,666,328.24 and 312,134.76 is: 468,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,885.48 : 1,666,328.24 = 312,134.76 : x
  2. Step 2: Convert to fraction form
    1,110,885.48/1,666,328.24 = 312,134.76/x
  3. Step 3: Cross multiply
    1,110,885.48x = 1,666,328.24 × 312,134.76
  4. Step 4: Simplify right side
    1,110,885.48x = 520,118,965,273.62
  5. Step 5: Solve for x
    x = 520,118,965,273.62/1,110,885.48
  6. Step 6: Final answer
    x = 468,202.15

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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.