Home / 1,358,142.15-1,874,126.46-785,219.25

Finding the Fourth Proportional to 1,358,142.15, 1,874,126.46 and 785,219.25

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Solution

The fourth proportional to 1,358,142.15, 1,874,126.46 and 785,219.25 is: 1,083,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,142.15 : 1,874,126.46 = 785,219.25 : x
  2. Step 2: Convert to fraction form
    1,358,142.15/1,874,126.46 = 785,219.25/x
  3. Step 3: Cross multiply
    1,358,142.15x = 1,874,126.46 × 785,219.25
  4. Step 4: Simplify right side
    1,358,142.15x = 1,471,600,173,326.36
  5. Step 5: Solve for x
    x = 1,471,600,173,326.36/1,358,142.15
  6. Step 6: Final answer
    x = 1,083,539.14

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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.