Home / 1,281,284.48-1,768,037.28-708,232.16

Finding the Fourth Proportional to 1,281,284.48, 1,768,037.28 and 708,232.16

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Solution

The fourth proportional to 1,281,284.48, 1,768,037.28 and 708,232.16 is: 977,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,284.48 : 1,768,037.28 = 708,232.16 : x
  2. Step 2: Convert to fraction form
    1,281,284.48/1,768,037.28 = 708,232.16/x
  3. Step 3: Cross multiply
    1,281,284.48x = 1,768,037.28 × 708,232.16
  4. Step 4: Simplify right side
    1,281,284.48x = 1,252,180,861,774.92
  5. Step 5: Solve for x
    x = 1,252,180,861,774.92/1,281,284.48
  6. Step 6: Final answer
    x = 977,285.59

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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.