Home / 1,281,286.48-1,768,040.04-708,234.16

Finding the Fourth Proportional to 1,281,286.48, 1,768,040.04 and 708,234.16

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Solution

The fourth proportional to 1,281,286.48, 1,768,040.04 and 708,234.16 is: 977,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,286.48 : 1,768,040.04 = 708,234.16 : x
  2. Step 2: Convert to fraction form
    1,281,286.48/1,768,040.04 = 708,234.16/x
  3. Step 3: Cross multiply
    1,281,286.48x = 1,768,040.04 × 708,234.16
  4. Step 4: Simplify right side
    1,281,286.48x = 1,252,186,352,575.77
  5. Step 5: Solve for x
    x = 1,252,186,352,575.77/1,281,286.48
  6. Step 6: Final answer
    x = 977,288.35

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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.