Home / 1,656,447.72-2,484,702.66-519,184.80

Finding the Fourth Proportional to 1,656,447.72, 2,484,702.66 and 519,184.80

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Solution

The fourth proportional to 1,656,447.72, 2,484,702.66 and 519,184.80 is: 778,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,447.72 : 2,484,702.66 = 519,184.80 : x
  2. Step 2: Convert to fraction form
    1,656,447.72/2,484,702.66 = 519,184.80/x
  3. Step 3: Cross multiply
    1,656,447.72x = 2,484,702.66 × 519,184.80
  4. Step 4: Simplify right side
    1,656,447.72x = 1,290,019,853,591.57
  5. Step 5: Solve for x
    x = 1,290,019,853,591.57/1,656,447.72
  6. Step 6: Final answer
    x = 778,786.94

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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.