Home / 1,281,285.48-1,768,038.66-708,233.16

Finding the Fourth Proportional to 1,281,285.48, 1,768,038.66 and 708,233.16

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Solution

The fourth proportional to 1,281,285.48, 1,768,038.66 and 708,233.16 is: 977,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,285.48 : 1,768,038.66 = 708,233.16 : x
  2. Step 2: Convert to fraction form
    1,281,285.48/1,768,038.66 = 708,233.16/x
  3. Step 3: Cross multiply
    1,281,285.48x = 1,768,038.66 × 708,233.16
  4. Step 4: Simplify right side
    1,281,285.48x = 1,252,183,607,173.97
  5. Step 5: Solve for x
    x = 1,252,183,607,173.97/1,281,285.48
  6. Step 6: Final answer
    x = 977,286.97

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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.