Home / 1,788,312.40-2,682,943.80-777,000.40

Finding the Fourth Proportional to 1,788,312.40, 2,682,943.80 and 777,000.40

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Solution

The fourth proportional to 1,788,312.40, 2,682,943.80 and 777,000.40 is: 1,165,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,312.40 : 2,682,943.80 = 777,000.40 : x
  2. Step 2: Convert to fraction form
    1,788,312.40/2,682,943.80 = 777,000.40/x
  3. Step 3: Cross multiply
    1,788,312.40x = 2,682,943.80 × 777,000.40
  4. Step 4: Simplify right side
    1,788,312.40x = 2,084,648,405,777.52
  5. Step 5: Solve for x
    x = 2,084,648,405,777.52/1,788,312.40
  6. Step 6: Final answer
    x = 1,165,707.07

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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.