Home / 1,110,876.48-1,666,314.72-312,125.76

Finding the Fourth Proportional to 1,110,876.48, 1,666,314.72 and 312,125.76

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Solution

The fourth proportional to 1,110,876.48, 1,666,314.72 and 312,125.76 is: 468,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,876.48 : 1,666,314.72 = 312,125.76 : x
  2. Step 2: Convert to fraction form
    1,110,876.48/1,666,314.72 = 312,125.76/x
  3. Step 3: Cross multiply
    1,110,876.48x = 1,666,314.72 × 312,125.76
  4. Step 4: Simplify right side
    1,110,876.48x = 520,099,748,379.19
  5. Step 5: Solve for x
    x = 520,099,748,379.19/1,110,876.48
  6. Step 6: Final answer
    x = 468,188.64

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Similar ratio
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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.