Home / 1,275,502.08-1,913,253.12-1,111,272.96

Finding the Fourth Proportional to 1,275,502.08, 1,913,253.12 and 1,111,272.96

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Solution

The fourth proportional to 1,275,502.08, 1,913,253.12 and 1,111,272.96 is: 1,666,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,502.08 : 1,913,253.12 = 1,111,272.96 : x
  2. Step 2: Convert to fraction form
    1,275,502.08/1,913,253.12 = 1,111,272.96/x
  3. Step 3: Cross multiply
    1,275,502.08x = 1,913,253.12 × 1,111,272.96
  4. Step 4: Simplify right side
    1,275,502.08x = 2,126,146,457,891.64
  5. Step 5: Solve for x
    x = 2,126,146,457,891.64/1,275,502.08
  6. Step 6: Final answer
    x = 1,666,909.44

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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.