Home / 1,272,071.52-1,753,608.96-888,909.12

Finding the Fourth Proportional to 1,272,071.52, 1,753,608.96 and 888,909.12

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Solution

The fourth proportional to 1,272,071.52, 1,753,608.96 and 888,909.12 is: 1,225,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,071.52 : 1,753,608.96 = 888,909.12 : x
  2. Step 2: Convert to fraction form
    1,272,071.52/1,753,608.96 = 888,909.12/x
  3. Step 3: Cross multiply
    1,272,071.52x = 1,753,608.96 × 888,909.12
  4. Step 4: Simplify right side
    1,272,071.52x = 1,558,798,997,457.72
  5. Step 5: Solve for x
    x = 1,558,798,997,457.72/1,272,071.52
  6. Step 6: Final answer
    x = 1,225,402.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.