Home / 1,403,867.84-2,105,949.38-457,312.37

Finding the Fourth Proportional to 1,403,867.84, 2,105,949.38 and 457,312.37

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Solution

The fourth proportional to 1,403,867.84, 2,105,949.38 and 457,312.37 is: 686,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,867.84 : 2,105,949.38 = 457,312.37 : x
  2. Step 2: Convert to fraction form
    1,403,867.84/2,105,949.38 = 457,312.37/x
  3. Step 3: Cross multiply
    1,403,867.84x = 2,105,949.38 × 457,312.37
  4. Step 4: Simplify right side
    1,403,867.84x = 963,076,689,251.52
  5. Step 5: Solve for x
    x = 963,076,689,251.52/1,403,867.84
  6. Step 6: Final answer
    x = 686,016.64

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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.