Home / 1,078,833.60-1,488,435.36-697,085.28

Finding the Fourth Proportional to 1,078,833.60, 1,488,435.36 and 697,085.28

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Solution

The fourth proportional to 1,078,833.60, 1,488,435.36 and 697,085.28 is: 961,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,833.60 : 1,488,435.36 = 697,085.28 : x
  2. Step 2: Convert to fraction form
    1,078,833.60/1,488,435.36 = 697,085.28/x
  3. Step 3: Cross multiply
    1,078,833.60x = 1,488,435.36 × 697,085.28
  4. Step 4: Simplify right side
    1,078,833.60x = 1,037,566,379,687.50
  5. Step 5: Solve for x
    x = 1,037,566,379,687.50/1,078,833.60
  6. Step 6: Final answer
    x = 961,748.30

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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.