Home / 1,013,806.60-1,399,032.21-554,910.02

Finding the Fourth Proportional to 1,013,806.60, 1,399,032.21 and 554,910.02

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Solution

The fourth proportional to 1,013,806.60, 1,399,032.21 and 554,910.02 is: 765,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,806.60 : 1,399,032.21 = 554,910.02 : x
  2. Step 2: Convert to fraction form
    1,013,806.60/1,399,032.21 = 554,910.02/x
  3. Step 3: Cross multiply
    1,013,806.60x = 1,399,032.21 × 554,910.02
  4. Step 4: Simplify right side
    1,013,806.60x = 776,336,991,631.74
  5. Step 5: Solve for x
    x = 776,336,991,631.74/1,013,806.60
  6. Step 6: Final answer
    x = 765,764.39

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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.