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Finding the Fourth Proportional to 1,652,640, 2,480,008.68 and 706,017.84

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Solution

The fourth proportional to 1,652,640, 2,480,008.68 and 706,017.84 is: 1,059,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,640 : 2,480,008.68 = 706,017.84 : x
  2. Step 2: Convert to fraction form
    1,652,640/2,480,008.68 = 706,017.84/x
  3. Step 3: Cross multiply
    1,652,640x = 2,480,008.68 × 706,017.84
  4. Step 4: Simplify right side
    1,652,640x = 1,750,930,371,434.85
  5. Step 5: Solve for x
    x = 1,750,930,371,434.85/1,652,640
  6. Step 6: Final answer
    x = 1,059,474.76

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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.