Home / 1,176,891.76-1,621,016.94-904,438.00

Finding the Fourth Proportional to 1,176,891.76, 1,621,016.94 and 904,438.00

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Solution

The fourth proportional to 1,176,891.76, 1,621,016.94 and 904,438.00 is: 1,245,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,891.76 : 1,621,016.94 = 904,438.00 : x
  2. Step 2: Convert to fraction form
    1,176,891.76/1,621,016.94 = 904,438.00/x
  3. Step 3: Cross multiply
    1,176,891.76x = 1,621,016.94 × 904,438.00
  4. Step 4: Simplify right side
    1,176,891.76x = 1,466,109,319,510.17
  5. Step 5: Solve for x
    x = 1,466,109,319,510.17/1,176,891.76
  6. Step 6: Final answer
    x = 1,245,746.95

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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.