Home / 1,281,288.48-1,768,042.80-708,236.16

Finding the Fourth Proportional to 1,281,288.48, 1,768,042.80 and 708,236.16

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Solution

The fourth proportional to 1,281,288.48, 1,768,042.80 and 708,236.16 is: 977,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,288.48 : 1,768,042.80 = 708,236.16 : x
  2. Step 2: Convert to fraction form
    1,281,288.48/1,768,042.80 = 708,236.16/x
  3. Step 3: Cross multiply
    1,281,288.48x = 1,768,042.80 × 708,236.16
  4. Step 4: Simplify right side
    1,281,288.48x = 1,252,191,843,387.65
  5. Step 5: Solve for x
    x = 1,252,191,843,387.65/1,281,288.48
  6. Step 6: Final answer
    x = 977,291.11

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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.