Home / 1,346,924.40-2,020,369.32-387,403.44

Finding the Fourth Proportional to 1,346,924.40, 2,020,369.32 and 387,403.44

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Solution

The fourth proportional to 1,346,924.40, 2,020,369.32 and 387,403.44 is: 581,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,924.40 : 2,020,369.32 = 387,403.44 : x
  2. Step 2: Convert to fraction form
    1,346,924.40/2,020,369.32 = 387,403.44/x
  3. Step 3: Cross multiply
    1,346,924.40x = 2,020,369.32 × 387,403.44
  4. Step 4: Simplify right side
    1,346,924.40x = 782,698,024,638.46
  5. Step 5: Solve for x
    x = 782,698,024,638.46/1,346,924.40
  6. Step 6: Final answer
    x = 581,100.19

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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.