Home / 1,087,158.71-1,498,533.95-738,190.06

Finding the Fourth Proportional to 1,087,158.71, 1,498,533.95 and 738,190.06

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Solution

The fourth proportional to 1,087,158.71, 1,498,533.95 and 738,190.06 is: 1,017,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,158.71 : 1,498,533.95 = 738,190.06 : x
  2. Step 2: Convert to fraction form
    1,087,158.71/1,498,533.95 = 738,190.06/x
  3. Step 3: Cross multiply
    1,087,158.71x = 1,498,533.95 × 738,190.06
  4. Step 4: Simplify right side
    1,087,158.71x = 1,106,202,864,561.68
  5. Step 5: Solve for x
    x = 1,106,202,864,561.68/1,087,158.71
  6. Step 6: Final answer
    x = 1,017,517.36

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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.