Home / 1,529,946.80-2,295,138.90-519,115.40

Finding the Fourth Proportional to 1,529,946.80, 2,295,138.90 and 519,115.40

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Solution

The fourth proportional to 1,529,946.80, 2,295,138.90 and 519,115.40 is: 778,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,946.80 : 2,295,138.90 = 519,115.40 : x
  2. Step 2: Convert to fraction form
    1,529,946.80/2,295,138.90 = 519,115.40/x
  3. Step 3: Cross multiply
    1,529,946.80x = 2,295,138.90 × 519,115.40
  4. Step 4: Simplify right side
    1,529,946.80x = 1,191,441,948,129.06
  5. Step 5: Solve for x
    x = 1,191,441,948,129.06/1,529,946.80
  6. Step 6: Final answer
    x = 778,747.31

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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.