Home / 1,260,719.38-1,739,658.59-709,425.46

Finding the Fourth Proportional to 1,260,719.38, 1,739,658.59 and 709,425.46

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Solution

The fourth proportional to 1,260,719.38, 1,739,658.59 and 709,425.46 is: 978,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,719.38 : 1,739,658.59 = 709,425.46 : x
  2. Step 2: Convert to fraction form
    1,260,719.38/1,739,658.59 = 709,425.46/x
  3. Step 3: Cross multiply
    1,260,719.38x = 1,739,658.59 × 709,425.46
  4. Step 4: Simplify right side
    1,260,719.38x = 1,234,158,095,453.70
  5. Step 5: Solve for x
    x = 1,234,158,095,453.70/1,260,719.38
  6. Step 6: Final answer
    x = 978,931.64

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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.