Home / 1,342,701.09-1,852,976.40-730,824.28

Finding the Fourth Proportional to 1,342,701.09, 1,852,976.40 and 730,824.28

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Solution

The fourth proportional to 1,342,701.09, 1,852,976.40 and 730,824.28 is: 1,008,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,701.09 : 1,852,976.40 = 730,824.28 : x
  2. Step 2: Convert to fraction form
    1,342,701.09/1,852,976.40 = 730,824.28/x
  3. Step 3: Cross multiply
    1,342,701.09x = 1,852,976.40 × 730,824.28
  4. Step 4: Simplify right side
    1,342,701.09x = 1,354,200,143,386.99
  5. Step 5: Solve for x
    x = 1,354,200,143,386.99/1,342,701.09
  6. Step 6: Final answer
    x = 1,008,564.12

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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.