Home / 1,403,781.40-2,105,672.10-457,247.80

Finding the Fourth Proportional to 1,403,781.40, 2,105,672.10 and 457,247.80

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Solution

The fourth proportional to 1,403,781.40, 2,105,672.10 and 457,247.80 is: 685,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,781.40 : 2,105,672.10 = 457,247.80 : x
  2. Step 2: Convert to fraction form
    1,403,781.40/2,105,672.10 = 457,247.80/x
  3. Step 3: Cross multiply
    1,403,781.40x = 2,105,672.10 × 457,247.80
  4. Step 4: Simplify right side
    1,403,781.40x = 962,813,935,246.38
  5. Step 5: Solve for x
    x = 962,813,935,246.38/1,403,781.40
  6. Step 6: Final answer
    x = 685,871.70

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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.