Home / 1,344,852.80-1,855,998.24-772,078.40

Finding the Fourth Proportional to 1,344,852.80, 1,855,998.24 and 772,078.40

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Solution

The fourth proportional to 1,344,852.80, 1,855,998.24 and 772,078.40 is: 1,065,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,852.80 : 1,855,998.24 = 772,078.40 : x
  2. Step 2: Convert to fraction form
    1,344,852.80/1,855,998.24 = 772,078.40/x
  3. Step 3: Cross multiply
    1,344,852.80x = 1,855,998.24 × 772,078.40
  4. Step 4: Simplify right side
    1,344,852.80x = 1,432,976,151,542.02
  5. Step 5: Solve for x
    x = 1,432,976,151,542.02/1,344,852.80
  6. Step 6: Final answer
    x = 1,065,526.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.