Home / 1,330,194.96-1,995,334.97-520,547.31

Finding the Fourth Proportional to 1,330,194.96, 1,995,334.97 and 520,547.31

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Solution

The fourth proportional to 1,330,194.96, 1,995,334.97 and 520,547.31 is: 780,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,194.96 : 1,995,334.97 = 520,547.31 : x
  2. Step 2: Convert to fraction form
    1,330,194.96/1,995,334.97 = 520,547.31/x
  3. Step 3: Cross multiply
    1,330,194.96x = 1,995,334.97 × 520,547.31
  4. Step 4: Simplify right side
    1,330,194.96x = 1,038,666,248,579.69
  5. Step 5: Solve for x
    x = 1,038,666,248,579.69/1,330,194.96
  6. Step 6: Final answer
    x = 780,837.61

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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.