Home / 1,145,813.31-1,580,564.43-715,346.10

Finding the Fourth Proportional to 1,145,813.31, 1,580,564.43 and 715,346.10

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Solution

The fourth proportional to 1,145,813.31, 1,580,564.43 and 715,346.10 is: 986,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,813.31 : 1,580,564.43 = 715,346.10 : x
  2. Step 2: Convert to fraction form
    1,145,813.31/1,580,564.43 = 715,346.10/x
  3. Step 3: Cross multiply
    1,145,813.31x = 1,580,564.43 × 715,346.10
  4. Step 4: Simplify right side
    1,145,813.31x = 1,130,650,600,799.22
  5. Step 5: Solve for x
    x = 1,130,650,600,799.22/1,145,813.31
  6. Step 6: Final answer
    x = 986,766.86

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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.