Home / 1,429,158.56-2,140,935.28-828,858.96

Finding the Fourth Proportional to 1,429,158.56, 2,140,935.28 and 828,858.96

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Solution

The fourth proportional to 1,429,158.56, 2,140,935.28 and 828,858.96 is: 1,241,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,158.56 : 2,140,935.28 = 828,858.96 : x
  2. Step 2: Convert to fraction form
    1,429,158.56/2,140,935.28 = 828,858.96/x
  3. Step 3: Cross multiply
    1,429,158.56x = 2,140,935.28 × 828,858.96
  4. Step 4: Simplify right side
    1,429,158.56x = 1,774,533,389,608.11
  5. Step 5: Solve for x
    x = 1,774,533,389,608.11/1,429,158.56
  6. Step 6: Final answer
    x = 1,241,663.06

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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.