Home / 1,069,476.44-1,475,737.02-639,599.72

Finding the Fourth Proportional to 1,069,476.44, 1,475,737.02 and 639,599.72

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Solution

The fourth proportional to 1,069,476.44, 1,475,737.02 and 639,599.72 is: 882,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,476.44 : 1,475,737.02 = 639,599.72 : x
  2. Step 2: Convert to fraction form
    1,069,476.44/1,475,737.02 = 639,599.72/x
  3. Step 3: Cross multiply
    1,069,476.44x = 1,475,737.02 × 639,599.72
  4. Step 4: Simplify right side
    1,069,476.44x = 943,880,984,785.63
  5. Step 5: Solve for x
    x = 943,880,984,785.63/1,069,476.44
  6. Step 6: Final answer
    x = 882,563.61

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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.