Home / 1,261,602.71-1,740,996.44-717,737.25

Finding the Fourth Proportional to 1,261,602.71, 1,740,996.44 and 717,737.25

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Solution

The fourth proportional to 1,261,602.71, 1,740,996.44 and 717,737.25 is: 990,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,602.71 : 1,740,996.44 = 717,737.25 : x
  2. Step 2: Convert to fraction form
    1,261,602.71/1,740,996.44 = 717,737.25/x
  3. Step 3: Cross multiply
    1,261,602.71x = 1,740,996.44 × 717,737.25
  4. Step 4: Simplify right side
    1,261,602.71x = 1,249,577,993,516.70
  5. Step 5: Solve for x
    x = 1,249,577,993,516.70/1,261,602.71
  6. Step 6: Final answer
    x = 990,468.70

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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.