Home / 1,309,312.40-1,959,821.40-936,064.40

Finding the Fourth Proportional to 1,309,312.40, 1,959,821.40 and 936,064.40

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Solution

The fourth proportional to 1,309,312.40, 1,959,821.40 and 936,064.40 is: 1,401,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,312.40 : 1,959,821.40 = 936,064.40 : x
  2. Step 2: Convert to fraction form
    1,309,312.40/1,959,821.40 = 936,064.40/x
  3. Step 3: Cross multiply
    1,309,312.40x = 1,959,821.40 × 936,064.40
  4. Step 4: Simplify right side
    1,309,312.40x = 1,834,519,042,898.16
  5. Step 5: Solve for x
    x = 1,834,519,042,898.16/1,309,312.40
  6. Step 6: Final answer
    x = 1,401,131.65

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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.