Home / 1,403,974.96-2,105,960.80-457,344.16

Finding the Fourth Proportional to 1,403,974.96, 2,105,960.80 and 457,344.16

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Solution

The fourth proportional to 1,403,974.96, 2,105,960.80 and 457,344.16 is: 686,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,974.96 : 2,105,960.80 = 457,344.16 : x
  2. Step 2: Convert to fraction form
    1,403,974.96/2,105,960.80 = 457,344.16/x
  3. Step 3: Cross multiply
    1,403,974.96x = 2,105,960.80 × 457,344.16
  4. Step 4: Simplify right side
    1,403,974.96x = 963,148,873,068.93
  5. Step 5: Solve for x
    x = 963,148,873,068.93/1,403,974.96
  6. Step 6: Final answer
    x = 686,015.71

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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.