Home / 1,117,702.80-1,675,613.79-486,140.94

Finding the Fourth Proportional to 1,117,702.80, 1,675,613.79 and 486,140.94

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Solution

The fourth proportional to 1,117,702.80, 1,675,613.79 and 486,140.94 is: 728,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,702.80 : 1,675,613.79 = 486,140.94 : x
  2. Step 2: Convert to fraction form
    1,117,702.80/1,675,613.79 = 486,140.94/x
  3. Step 3: Cross multiply
    1,117,702.80x = 1,675,613.79 × 486,140.94
  4. Step 4: Simplify right side
    1,117,702.80x = 814,584,462,947.56
  5. Step 5: Solve for x
    x = 814,584,462,947.56/1,117,702.80
  6. Step 6: Final answer
    x = 728,802.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.