Home / 1,281,345.74-1,768,181.18-708,351.74

Finding the Fourth Proportional to 1,281,345.74, 1,768,181.18 and 708,351.74

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Solution

The fourth proportional to 1,281,345.74, 1,768,181.18 and 708,351.74 is: 977,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,345.74 : 1,768,181.18 = 708,351.74 : x
  2. Step 2: Convert to fraction form
    1,281,345.74/1,768,181.18 = 708,351.74/x
  3. Step 3: Cross multiply
    1,281,345.74x = 1,768,181.18 × 708,351.74
  4. Step 4: Simplify right side
    1,281,345.74x = 1,252,494,215,488.25
  5. Step 5: Solve for x
    x = 1,252,494,215,488.25/1,281,345.74
  6. Step 6: Final answer
    x = 977,483.42

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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.