Home / 1,363,051.43-1,881,290.10-812,089.90

Finding the Fourth Proportional to 1,363,051.43, 1,881,290.10 and 812,089.90

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Solution

The fourth proportional to 1,363,051.43, 1,881,290.10 and 812,089.90 is: 1,120,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,051.43 : 1,881,290.10 = 812,089.90 : x
  2. Step 2: Convert to fraction form
    1,363,051.43/1,881,290.10 = 812,089.90/x
  3. Step 3: Cross multiply
    1,363,051.43x = 1,881,290.10 × 812,089.90
  4. Step 4: Simplify right side
    1,363,051.43x = 1,527,776,687,161.61
  5. Step 5: Solve for x
    x = 1,527,776,687,161.61/1,363,051.43
  6. Step 6: Final answer
    x = 1,120,850.36

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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.