Home / 1,344,251.84-1,853,821.32-981,100.40

Finding the Fourth Proportional to 1,344,251.84, 1,853,821.32 and 981,100.40

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Solution

The fourth proportional to 1,344,251.84, 1,853,821.32 and 981,100.40 is: 1,353,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,251.84 : 1,853,821.32 = 981,100.40 : x
  2. Step 2: Convert to fraction form
    1,344,251.84/1,853,821.32 = 981,100.40/x
  3. Step 3: Cross multiply
    1,344,251.84x = 1,853,821.32 × 981,100.40
  4. Step 4: Simplify right side
    1,344,251.84x = 1,818,784,838,580.53
  5. Step 5: Solve for x
    x = 1,818,784,838,580.53/1,344,251.84
  6. Step 6: Final answer
    x = 1,353,009.00

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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.