Home / 1,331,642.84-1,837,680.55-719,807.45

Finding the Fourth Proportional to 1,331,642.84, 1,837,680.55 and 719,807.45

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Solution

The fourth proportional to 1,331,642.84, 1,837,680.55 and 719,807.45 is: 993,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,642.84 : 1,837,680.55 = 719,807.45 : x
  2. Step 2: Convert to fraction form
    1,331,642.84/1,837,680.55 = 719,807.45/x
  3. Step 3: Cross multiply
    1,331,642.84x = 1,837,680.55 × 719,807.45
  4. Step 4: Simplify right side
    1,331,642.84x = 1,322,776,139,622.18
  5. Step 5: Solve for x
    x = 1,322,776,139,622.18/1,331,642.84
  6. Step 6: Final answer
    x = 993,341.54

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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.