Home / 1,429,161.64-2,140,939.80-828,861.72

Finding the Fourth Proportional to 1,429,161.64, 2,140,939.80 and 828,861.72

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Solution

The fourth proportional to 1,429,161.64, 2,140,939.80 and 828,861.72 is: 1,241,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,161.64 : 2,140,939.80 = 828,861.72 : x
  2. Step 2: Convert to fraction form
    1,429,161.64/2,140,939.80 = 828,861.72/x
  3. Step 3: Cross multiply
    1,429,161.64x = 2,140,939.80 × 828,861.72
  4. Step 4: Simplify right side
    1,429,161.64x = 1,774,543,045,044.46
  5. Step 5: Solve for x
    x = 1,774,543,045,044.46/1,429,161.64
  6. Step 6: Final answer
    x = 1,241,667.14

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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.