Home / 1,407,218.40-1,940,898.80-884,081.12

Finding the Fourth Proportional to 1,407,218.40, 1,940,898.80 and 884,081.12

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Solution

The fourth proportional to 1,407,218.40, 1,940,898.80 and 884,081.12 is: 1,219,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,218.40 : 1,940,898.80 = 884,081.12 : x
  2. Step 2: Convert to fraction form
    1,407,218.40/1,940,898.80 = 884,081.12/x
  3. Step 3: Cross multiply
    1,407,218.40x = 1,940,898.80 × 884,081.12
  4. Step 4: Simplify right side
    1,407,218.40x = 1,715,911,984,910.66
  5. Step 5: Solve for x
    x = 1,715,911,984,910.66/1,407,218.40
  6. Step 6: Final answer
    x = 1,219,364.38

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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.